vibration /vai'breijn; vafbrejan/ n 1 [U] vibrating movement: 擺動(dòng); 搖動(dòng); 震動(dòng); 頭動(dòng)： The ship's engines even at full speed cause very little ~. 這條船的引擎即使是在全速時(shí)引起的震動(dòng)也甚微。 2 [C] single movement to and fro when equilibrium has been disturbed: 來(lái)回一次振動(dòng)： 20 ~s per second. 每秒鐘振動(dòng)二十次。