Within our own galaxy there are probably tens of thousands of planetary systems.在我们自己的星系里可能有数以万计的行星系。These bands must introduce longitudinal asymmetry in the planetary albedo.这些云带必定引起行星反照率的经向不对称性.The sciences of planetar...
With any treatment, postoperative recovery depends not only on the procedure, but also on the aftercare.对于任何一种治疗, 手术后的恢复不仅靠手术本身成功与否, 还要靠手术后的照料.Whether the game will be played depends on the weather.比赛是否举行要看天气而定。Your baby...
去年，经济增长率下降到4%以下。Last year, economic growth tailed off to below four percent.目前，14岁以下儿童不允许进酒吧。At present children under 14 are not permitted in bars.法律允许医生给16岁以下未成年人开避孕药。The law allows doctors to prescribe contraception t...