前门的一块方玻璃破裂了。

One of the glass panels in the front door was cracked.

《牛津词典》

一块玻璃是怎样设法反映光从一个侧面明确另一方面其余的呢？

How does a piece of glass manage to reflect light from one side while remaining clear on the other?

youdao

一块玻璃是怎样设法反映光从一个侧面明确另一方面其余的呢？

How does a piece of glass manage to reflect light from one side while remaining clear on the other?

youdao