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
Lacks tact.
不够机敏。
Would you like to leave your name and number?
你想要留下你的名字和电话吗？
My grandpa died of hunger in the old days.
我爷爷在旧社会死于饥饿。