Pre
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
That man is a teacher,isn't he?
那个人是位教员，对不对？
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。