Coef
abbr. coefficient 系数
🗣️ 情景例句
I was elected the student body president at my college.
我被选为校学生会主席。
His short is in the drawer.
他的衬衣在抽屉里。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。