A rubber ball bounces well.橡皮球弹力好.Although fatigue shows readily on Carter, he bounces back quickly.卡特虽然容易显出疲劳的样子, 但他恢复得很快.Sunlight bounces off the light - colored surface, so It'stays cool on hot days.阳光反射表面看起来教浅的颜...
Furiously he tested the spark - plugs, stared at the commutator.他气呼呼地测试着火花塞, 眼睛盯着转换器.The two ends of the wire are connected to a split - ring commutator.导线的两端联接到裂环整流器.Commutator and brushes shall be free of grease, or ot...