Nextstep
一种操作系统
🗣️ 情景例句
I'm sorry, Mom.
我很难过， 妈妈。
A living dog is better than a dead lion.
一条活狗胜过一头死狮。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。