连幼儿也有这么严重的龋齿,需要拔掉。
4.V-I If something such as a society, system, or institution decays, it gradually becomes weaker or its condition gets worse. 衰败
例:In practice, the agency system has decayed. Most agents now sell only to themselves or their immediate family.
实际上,这种代理制已经衰退。现在,大多数 代理人 都只把产品卖给自己或亲近的家人。
5.N-UNCOUNT Decay is also a noun. 衰败
例:There are problems of urban decay and gang violence.
存在都市衰败和黑帮暴力问题。
常见用法
用作动词
Naomi: Your entrie body is begining to decay.
直美:你的整个身体都在衰退。
What made the Roman Empire decay?
罗马帝国为何衰亡?
The dampness of the climate decayed the books.
气候潮湿,把书都霉坏了。
The vegetables have begun to decay.
那些蔬菜已开始腐烂。
用作名词
His mental decay is distressing.
他的智力衰退令人苦恼。
Bacteria complete the job by causing decay.
细菌通过引起腐烂而完成这个变化。
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