catchv.赶上；抓住；捕捉；领会n.捕捉；捕获物；陷阱catch knob带动锁钮catchweighadj.〈体〉不分体重级别的catch ring卡环catch hole卡锁孔catch fish扑鱼, 抓住鱼catchplaten.收集盘catch cold着凉； 感冒catch boom流材挡栅catch pawl抓子钩,挡爪catch gear制动装置