Cephamycin
头霉素
🗣️ 情景例句
Yes.
是的。
Fire and water are good servants, but bad masters.
水火是忠仆，造灾成元凶。
Here is a shopping list so you won't forget anything, she said.
“这是购货单，这样你便不会遗漏什么东西，”她说。