Diacetamide
二乙酰基胺
🗣️ 情景例句
You couldn't pick a finer medical school than Michigan.
你再也找不到一所比Michigan大学更好的医学院了?
I'm afraid you will catch a cold.
我怕你会感染到感冒。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？