Unidirection
[计] 单向
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。
No, I think it'll be all right for him to go to school.
不，我想他去上学没什么关系。