contraction的复数形式怎么拼写

the expansion and contraction of the metal金属的膨胀与收缩Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来.The forces of expansion are balanced by forces of contraction.扩张力和收缩力相互平衡....

contraction的反义词有：expansion, expansion。n.contraction的反义词（收缩;收敛）：expansion。contraction的反义词（其他释义）：expansion。...

contraction的音标：contraction的英式发音音标为：[kən'trækʃn]contraction的美式发音音标为：[kən'trækʃən]...

contraction的近义词/同义词有：synaeresis, syncope, restriction, limitation, withdrawal, control, shortage, summarization, abbreviation, brief, synopsis, digest, abstraction, compendium, abridgment, precis, cut, pinching, curtaili...

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...

n.收缩，缩减，[语]缩略，略体，缩写，（开支等）缩减，（分娩时）子宫收缩...