The combined contraction of the atria and ventricles is a heartbeat.心房和心室的这一系列动作合称为一次心跳.During inhalation, contraction of the intercostal muscles elevates the ribs.吸气时肋间肌收缩,提起肋骨.The surface electromyogram ( EMG ) and int...
Mechanization happened years ago on the farms of Islay.数年前，艾莱的农场就实现了机械化。Her son used sign language to tell her what happened.她儿子用手语告诉她发生了什么事。Elaborate efforts were made to reconstruct what had happened.为重现当时的情景，他们做了大量细致的...
我们还简单地讨论一下赋值.We also give a brief treatment of valuation.我们又怎样才能确信所选择的赋值是正确的 呢 ?How can we be certain that the chosen assignment is the right one?编译器无法为给定的类生成赋值运算符.The compiler cannot generate an assignment operator for ...
Morgan dropped his cigarette and crushed it underfoot.摩根把香烟丢到地上，用脚踩灭。Barbara Morgan taught at an elementary school in McCall, Idaho, before she trained for space.在她接受航天训练之前,BarbaraMorgan曾经在爱达荷州Mccall的一所小学任教.Around the Mo...
Cecile was in her early thirties, a sometime actress, dancer and singer.塞茜尔三十出头，曾经做过演员、舞蹈演员和歌手。Cecile, that man is very bad for a young lady's reputation.塞西尔, 接近那个男人对一位女士的名誉是非常不好的.Are you suggesting that Cecile shou...