"I was very unsure of myself after the divorce," she says, unconsciously sweeping back the curls from her forehead.“离婚之后我变得非常不自信，”她边说边不自主地把额前的卷发往后捋了捋。...a slender boy with black hair falling across his forehead.一个身材颀长的男孩...
assail a task着手完成任务By 1000 BC waves of invaders began to assail the land.到公元前约1000年,埃及遭受到蜂拥而来的入侵者的掠夺.Then doubts and fears did assail the very strongest.那时,疑惑和恐惧的确困扰过意志最坚强的人.You ought to assail all the difficulties that ...
If you treble the distance, the gravitational attraction gets nine times weaker.如将距离增大两倍, 则其万有引力就减小九分之八.Many asteroids are weakly bound piles of rubble, held together by their own minute gravitational attraction.大多数的小行星都...