decay
v
1 [I, Tn] (cause sth to) become bad; rot; decompose (使某物)变坏, 腐烂, 变质
decaying teeth, vegetables 龋齿、 腐烂的蔬菜
Sugar decays your teeth. 糖能腐蚀牙齿.
2 [I] lose power, vigour, influence, etc 失去权力、 活力、 影响等
a decaying culture, society, regime, etc 衰退的文化、 社会、 政权等
Our powers decay (ie We become less strong, alert, etc) in old age. 我们的体力、 精力在老年时就衰退. decay, n [U]
(state reached by the process of) decaying 腐败、 衰退的状态: `tooth decay 蛀牙
The empire is in decay. 帝国在衰亡.
The feudal system slowly fell into decay, ie stopped working. 封建制度在缓慢地衰亡.
What do you want to do next September? Do you have any plans?
你今年9月打算干什么?你有什么计划吗?
Why not do a tomato experiment?
干吗不做西红柿实验呢?
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.