This cosmic cannonball is challenging theories to explain its blistering speed.这个宇宙加农炮正在挑战解释其起泡速度的理论.Suddenly , a sporadic cannonball bombed in the battle field.敌人已经在城下骂阵了,我们却还是按兵不动.It must be a cannonball.那一定是一发炮弹....
越野 滑雪赛道由平道 、 上坡道和下坡道组成.The cross - country course consists 0 f flat, uphill and downhill sections.要宠潮湿恶棍流浪汉营地下坡道灯.Don't pamperdamp scamp tramps that camp under ramp lamps.曲线及上坡道阻力大, 直线阻力小, 下坡道还有加速力.Curve and path re...
a reversal of current trends目前趋势的转变This marked a 7% increase on the previous year and the reversal of a steady five-year downward trend.这标志着在前一年基础上有了7％的增长，扭转了5年来持续下降的趋势。That would be reversal of the order of host and gue...