Ptychopterygium
叶鳍
🗣️ 情景例句
If you want to have this job, you'll need to fully prepare for the interview.
如果你想得到这份工作，你得好好准备一下面试。
To save time is to lengthen life.
省节时间就是延长寿命。
No, I'm afraid I'm not.
不，恐怕我来不了了。