Setireme
[医]桡肢（水生昆虫）
🗣️ 情景例句
I'll be in the front office all day.
我整天都在总办公室。
You're wasting you breath.
你在白费口舌。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。