Securitron
电子防护系统
🗣️ 情景例句
Do you know anything about South American culture?
你了解南美洲的文化吗？
He studied quite a lot.
他非常用功。
Yes. I'd like to invite you to dinner at my flat before I move.
好的。我想在搬家前请你到我家吃饭。