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 do?
你好！
She is sick of watching boxing.
她厌恶观看拳击。
For twenty years Gandhi played an important role in working for equal rights for Indians.
二十多年间，甘地在为印度人民争取平等权利的奋头中发挥了很重要的作用。