Refractometry
[化] 折射法\\n[医] 屈光计检查
🗣️ 情景例句
We all have the same 168 hours per week, it's what you do with them that counts.
我们每个人一周里都有 168 个小时，就看你怎么利用。
I seldom write a letter.
我很少写信。
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。