在一定条件下，电子可以作波状运动，而不是粒子状运动。Under certain conditions, electrons can behave like waves rather than particles.她那浓密的波状的头发飘垂在肩上.Her thick wary hair flowed over her shoulders.波状的或以波浪式运动的; 起伏不平的.Marked by or moving in a wavelike...
我们往往每周共进一次午餐。We tend to meet up for lunch once a week.他靠每周领取的作为病残养老金的直接转账救济支票过日子。He lived on an invalidity pension which came as a weekly giro.索马里，人口790万，人均收入大约每周1.60英镑。Somalia, pop. 7.9 million, income per head about £1...