Ster
n. 灭菌, 绝育；消毒器, 杀菌器
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
Laugh before breakfast you'll cry before supper.
乐极生悲。
Excuse me.Where's the nearest post office, please?
请问。最近的邮局在哪里？