Estratetraene
[医] 四烯甲雌醇核
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
Annie considered this was just the kind of demanding job she wanted.
安妮认为，这正是她想要的难度很大的工作。