Leach's tests
[医] 利奇氏试验(检甲醛)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
I won't hold it against you.
我不会记仇的。
Please excuse me for a little while.I want to do something.
请等我一会儿时间，我要做点事。
How come you speak such good English?
你为什么能说这么好的英语呢？