Chlorethylene
[化] 氯乙烯\\n[医] 氯乙烯
🗣️ 情景例句
Advertising, bills, bills, advertising.
广告 ，帐单 ，帐单 ，广告。
Do one's level best.
尽力而为。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。