Dach
[医][=diamino-cyclohexane]二氨基环己烷
🗣️ 情景例句
Marilyn and Richard will be home from the hospital any minute,
Marilyn和Richard随时都会从医院回来，
When is the ship supposed to leave?
船应该在什么时候开？
What do the farmers do with your machines?
农民用机器做什么呢？