Coef
abbr. coefficient 系数
🗣️ 情景例句
but now what?
但下一步怎么办？
This part of the country is very mountainous.
这个国家这一部分有很多山。
I sat down on one of those modern chairs with holes in it and waited.
我坐在一个新式的满是网眼儿的椅子上，等待着。