Effectivity
n. 有效, 功效
🗣️ 情景例句
How good are you at using chopsticks?
你筷子用得怎么样？
You win.
算你厉害。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。