Calcinea
钙质海绵亚纲
🗣️ 情景例句
this community can do anything to benefit its citizens,
这个社区可做任何造福居民的事情，
He did it in no time.
他马上把那事给做了。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做广告的人在力图劝说我们买下这种产品或那种产品之前，已经仔细地研究了人的本性，并把人的弱点进行了分类。