Dichlorethylene
二氯乙烯
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
Anything to follow?
还要什么？