Valida
n. 有效霉素
🗣️ 情景例句
Hello, it's good to see you again.
很高兴又见到你。
John could not decide when to leave.
约翰无法决定几时要出发。
As soon as this was done, they cooked a meal over an open fire.
这件事刚刚做完，他们就在篝火上烧起了饭。