Periadventitial
[医] 外膜周的
🗣️ 情景例句
How is he, Philip?
他怎样了 ，Philip？
Life is a shuttle.
生活犹如梭子。
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。