Macromer
[化] 大分子单体
🗣️ 情景例句
Well, I began to think about you and about Michelle,
噢， 我开始想到你和Michelle
He has a radio,doesn't he?
他有一台收音机，对不对？
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。