Convallatoxin
[化] 铃兰毒苷\\n[医] 铃兰毒甙
🗣️ 情景例句
We need a new coffee-table book,
我们需要一本可以摆在客厅的书，
Will anyone be able to fill her shoes now that she's left the company?
既然她已经离开了公司，有人能接替她的位置吗？
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。