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...
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....
Every bus arrives and leaves packed as fully as a sardine tin.每辆开来和开走的公共汽车都塞得像沙丁鱼罐头一样拥挤.Each sardine was hooked through both eyes.每一条沙丁鱼都是穿过眼睛挂在钩子上的.The old man unhooked the fish, rebaited the line with another sardine a...
The interior was shielded from the curious gaze of passersby.屋子内部被挡住了，以防路人好奇地张望。By a curious twist of fate, cricket was also my favourite sport.让人感到惊奇的是，板球碰巧也是我最喜欢的运动。Steve was intensely curious about the world I came fr...
The risks to health are impossible to quantify.健康的风险是无法用数量表示的。We can quantify these contributions with reference to Fig . 5.我们可以用图5中的参数来定量地表示这些因素的影响.It is difficult to quantify an exact figure as firms are reluctant to d...