Fresnel biprism
[化] 菲涅耳双棱镜
🧩 词语组成解析
[计] 菲涅耳
双棱镜
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
If you tease him, he becomes hot with anger.
如果你戏弄他，他会生气的。
I think so. What time?
我想可以。什么时间来呢？