Stassanization
加热灭菌法
🗣️ 情景例句
I don't know. It's locked.
不知道， 锁着呢。
I'm cleaning the yard outside.
我在外面清理庭院。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”