Retan
[化] 复鞣
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
I have two suits to send to the cleaners.
我有2件西装送到洗衣店了。
What will be the population of the world in the year 2000?
2000年世界人口将是多少？