Estron
n. 醋酸纤维\\n[化] 埃斯特纶(醋酯长丝)
🗣️ 情景例句
Next time you are in town, drop me a line.
下次你在城里的时候给我写信吧。
I ought to do it again.
我应该再做一次。
With a smile the man from downstairs said: I'm sorry to trouble you, comrade.
“对不起，打扰你了，同志。”