perturbationKK [ˏpɝtɚˋbeʃən] /ˌpɝtɚˈbeɪʃən/发音名词1扰动、干扰、波动正式Even a small perturbation in temperature can ruin the experiment.温度只要有些微扰动,就可能毁掉这个实验。2不安、心烦、慌乱正式She answered the question without the slightest sign of perturbation.她回答那个问题时,丝毫没有不安的神情。3摄动、微扰物理学Astronomers detected the planet from perturbations in the star's motion.天文学家从恒星运动的摄动中侦测到那颗行星。用这个字练口说→