Methacrol
麦撒克罗(润滑剂)
🗣️ 情景例句
We're on the fifth floor.
我们在五楼。
Is the distribution of wealth uneven in your country?
在你们国家财富分配得均匀吗？
The train was traveling at 120 miles an hour.
火车时速一百二十英里。