Membranae praeformativa
[医] 预成膜
🗣️ 情景例句
Hello, this is ... What can I do for you?
喂， 我是……我能为你做点什么吗？
Drunken days have all their tomorrows.
今日花天酒地，明日潦倒穷途。
It extends to a depth of 3,723 feet.
深达3，723英尺。