Valida
n. 有效霉素
🗣️ 情景例句
OK. I'll do as you say.
好的，照办。
Timid dogs bark most.
狗胆小，拼命叫。
or even the universe itself, must in the nature of things 'wear out'.
甚至宇宙本身，从事物的本质上来说都会磨损掉"。