Decay of activity
[化] 活性衰减
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
How do you feel about this?
你觉得呢？
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
Whatever it consists of, stamps, records, first editions of books china, glass, antique furniture, pictures, model cars, stuffed birds, toy animals,
不管收藏品是什么，邮票、唱片、头版书籍、瓷器、玻璃杯、老式家具、绘画、模型汽车、鸟类标本，还是玩具动物，