The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多的酸性并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌，绘于魏唐朝代，当骆驼运载着货通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多的酸性污比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩，它绘于魏唐朝代，当骆驼运载着货通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多的酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多的酸性污染物并比粗粒子酸性强,这些细粒子对石窟有用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽洞穴,洞口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

学技术、学测方法和完善，是解决石窟分期问题希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞杂技演员……）和一个穿丝绸独舞女性舞蹈演员示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多的酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我到达了一的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他会飞的杂技演员……）和一穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我了一个美丽洞穴,洞进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学术发展、科学测方法进步和完善，是解决石窟分期问题希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他叫做会飞演员……）和一个穿丝绸独舞女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子有多的酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏，当骆驼运载着货物通过丝绸之路。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细粒子中有较多酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽洞穴,洞进口藤蔓遮掩著。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术发展、科学测方法进步和完善，是解决石窟分期希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞杂技演员……）和一个穿丝绸独舞女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。