Valvotomy
瓣膜切开术
🗣️ 情景例句
Mmm-hmm.
嗯。
Our product is lower priced than the competition.
我们产品价格低廉，具有竞争力。
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。