Thrombotonin
5-羟色胺
🗣️ 情景例句
I love the idea.
我喜欢这个主意。
This house is for rent.
此房出租。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。