Nesslerization
[医] 内斯勒氏处理法(检验水中氨量)
🗣️ 情景例句
She had to work her way through law school.
她必须半工半读学法律。
Could you do me a favor?
能请你帮个忙吗？
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。