Coils
n. 卷；线圈（coil的复数）
🗣️ 情景例句
One week after I have submitted my resignation paper.
在我提交辞职信一星期后吧！
He sketched his own part in the affair.
他概述了自己在此事中的作用。
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。