-o
suf. 用以构成名词或形容词,表示具有…性质(的), 与…有关的; 用以构成感叹词
🗣️ 情景例句
An audio diary.
来一段录音日记。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
I am not sure such data does exist.
我不确定是否有这样的资料存在。