Like the calcium phosphate stones, struvite stones are dirty white and radiopaque under an X-ray.

同磷酸钙结石样，鸟粪石是灰白色，在X线片上是不透光。

I took Merrick to the country in a train with dark windows, so nobody could see him.

我带着麦里克乘列窗户不透光来到乡下，没有人看见我们。

The invention of light-transmitting concrete hopes to change that, by interspersing very thin layers of concrete with optical fibers.

透光混凝土发明希望能改变现状，过散布光纤在非常薄混凝土薄层上。

The store is small with just a dirty window for light.

那铺面很小，只有兮兮窗户透光。

A tiny minority of stones are cystine stones, composed of the amino acid cystine which sometimes leaks into the urine to crystalize and form a yellow or light pink colored stone that is radiopaque under X-ray.

有小部分结石是胱氨酸结石，是胱氨酸渗入尿液后结晶形成黄色或者淡粉色结石，在X线下是不透光。

16 You will make a window for light for the ark, one cubit from the top. You should put the entrance of the ark in its sideand make it with a lower deck, a second deck, and a third deck.

16 你要为方舟造个透光窗户，从顶端往下量为1肘尺。方舟门要开在侧。方舟要有底层、第二层、第三层。

For example, a photographer who wants to buy a telephoto lens may confront a choice between two lenses that produce images of equal quality and with the same magnification, but one of which admits twice as much light as the other.

例如，想要购买长焦镜头摄影师可能会面临在两个镜头之间进行选择，这两个镜头可以产生相同质量和相同放大倍率图像，但其中个透光量是另个两倍。