Bilene
次甲基胆色素
🗣️ 情景例句
First, they have an excellent School of Journalism.
首先 ，那儿有个很优秀的新闻研究所。
I'll call the roll before class.
课前我要点名。
Now the snag in this sort of anecdote is of course that one cannot distinguish cause and effect.
这类奇闻的疑难之处是无法区别因果关系。