Birefrigent effect
[化] 双折射效应
🧩 词语组成解析
🗣️ 情景例句
This is terrible.
真是太糟了。
I have so much to do after I retire.
我在退休后有许多事要做。
That's right. Catch a cold is something you do; have a cold is something you have.
对。“伤风”是你所做的事情；而“患感冒”则是你所经历的事情。