Palpitation from frequent extrasystoles or other arrhythmia is common.来自频发的期前搏动或其他心律不齐的心悸亦属常见.This normal variation in rhythm is known as sinus arrhythmia.节律的这种正常变化称为窦性心律失常.The heart frequently exhibits ventricular arrhy...
It looks like our competitors want to play hardball.看来,我们的竞争对手想采取强硬的手段.Dukakis has a history of enduring, even excelling at, hardball campaigns.杜卡基斯一向能承受, 甚至擅长选举硬仗.If you want to win this game, now it's time to hard...