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....
He was the fastest thing I ever saw on a baseball field.他是我在棒球场上见过的跑得最快的家伙。Casey Stengel was probably the most colorful character in baseball.凯西·施滕格尔可能是棒球界最有趣的人物。He maliciously damaged a car with a baseball bat.他用棒球棒恶意损毁...
人们发现橙子、柠檬和酸橙能治疗坏血病。Oranges, lemons and limes were found to cure scurvy.橙子皮称为zest。The outer skin of the orange is called the "zest".每100克橙子仅含35卡的热量。Oranges contain only 35 calories per 100g....
我猜他们早晚会拆除这座楼的。I imagine they'll be tearing the building down sooner or later.他们已经拆除所有能够袭击欧洲的战术核导弹。They have removed all tactical nuclear missiles that could strike Europe.警卫在拆除一段围栏好让它通过。The guards were removing a se...