Enathaldehyde
庚醛
🗣️ 情景例句
I work part time in the summer to pay for my tuition.
我夏天做兼职来支付学费。
What sort of guarantee do you offer on your product?
你们提供什么样的产品保证呢？
There was a murder in London yesterday.
昨天伦敦发生了一起谋杀案。