Flight is the form of locomotion that puts the greatest demands on muscles...飞行是对肌肉要求最高的运动形式。...the subatomic particles that form the basis of nearly all matter on earth.构成地球上几乎所有物质的基础的亚原子粒子'Data' is the Latin ...
“海伦走之前吃了点儿东西，”塞西尔急忙插了一句。"Helen had something to eat before she left," put in Cecil anxiously.塞西尔此时开始慌张起来，连忙发射了两枚遇险信号火箭。Cecil now began to panic and fired off two distress rockets.塞西尔继承了斯坦福德附近的一处家族房产。Cecil inherited a fam...