水管被卷成整齐的几圈放在角落里。

The water hose was rolled into neat ___coils in the corner.

水管松散地盘绕在地上。

The hose lay on the ground in loose ___coils.

电动机中的铜线圈在通电时会产生磁场。

The copper ___coils in the electric motor generate a magnetic field when powered.

她把绳子卷成一圈放进抽屉里。

She ___coiled the rope into a loop and put it in the drawer.