Thenegative chronotropic response depended on timing of the stimulus burst within the car - diac cycle.结果心脏的负变时性反应取决于刺激猝发所在的心动周期时相.Regard each failure as a stimulus to further efforts.把每次失利看成对进一步努力的激励.The identified dopa...
The unearthly silence was broken by a shrill screaming.一声尖叫打破了这可怕的沉寂。For a few seconds we watched the unearthly lights on the water.有那么几秒钟，我们注视着水面上那些奇异的光。She heard the sirens scream their unearthly wail.她听到警报器发出可怕的尖叫声。...
to supervise building work监理建筑工程Tomorrow he will supervise all the pupils taking the English examination.明天全体学生考英语,他将担任监考.We must supervise and speed up the fulfilment of assigned tasks.已经布置了的工作,应当认真督促检查....
他成功的关键在于他擅长逻辑思维。The key to his success is his logical mind.他天生擅长交际：他的祖先曾是封建领主。Diplomacy was in his blood: his ancestors had been feudal lords.他们真正擅长的是纯粹的摇滚乐。What they were really good at was full-on rock'n'roll...
emigration from Europe to America从欧洲移居到美洲Emigration was still theoretically a matter of choice.从理论上讲，移民仍是个个人选择的问题。Increase in population made emigration necessary.人口的增加使向外移民成为必要。Due to poor family living Rishengchang Vot...