Chemform
链霉素
🗣️ 情景例句
to join this man and this woman in holy matrimony.
见证这位男士和这位女士的神圣婚盟。
Why didn't you call me?
为什么你不打电话给我？
I'm afraid the item you substituted didn't work.
你这代替品恐怕不能用。