Hdm
分层开发方法论
🗣️ 情景例句
He was dumb from birth.
他生下来就是哑巴。
It's too sour.
太酸了。
I don't know, he says. It isn't a plane, and it isn't a bike. I think we can say it's a plike.
“我不知道”，他说，“不是飞机，也不是自行车，我想可以把它叫飞车”。