Methacrol
麦撒克罗(润滑剂)
🗣️ 情景例句
Well, how do you like it so far?
好了， 到现在为止， 你们感觉怎么样？
I can't recall how long it's been.
我不能记起多长时间了。
She has been collecting stamps.
她一直收集邮票。