Magnetic coils focus the electron beams into fine spots.磁线圈把电子束聚焦成微小的点。Coils buried in tunnels below the ground might soon be used to store large amounts of electricity.埋在地下隧道里的线圈可能很快就会被用来储存大量的电。Air cooling coils in most...
Pythons kill by tightening their coils so that their victim cannot breathe.大蟒蛇紧紧盘绕猎物使之无法呼吸，从而杀死猎物。The steel arrives at the factory in coils.钢材被成卷地运到工厂。Coils buried in tunnels below the ground might soon be used to store ...