It was a dead-cold snowy afternoon with no signs of life outside.

那是冷下午, 天还下着雪, 外面人也没有。

Not a soul was to be seen.

人也没有。

He hasn't a sou .

他子儿也没有。

Only small amounts of wurtzite boron nitride and lonsdaleite exist naturally or have been made in the lab so until now no one had realised their superior strength.

天然存在或者实验室制造纤锌矿型氮化硼朗斯代尔数量很少，直到现在，也没有人发现它们令人吃惊硬度。

The F-16 also did a very effective "Heritage Flight" display with "23 Skidoo" and "Wee Willy II", showing off the best of old and new air force technology.

美国F - 16也没有非常有效“遗产飞行”显示 ， “ 23 Skidoo ”“黄威利二” ，展示了最好新空军技术。