You can always fall back on him when you are in difficulties.你碰到困难时总是可以求助于他.Doctors sometimes fall back on old cures.有时医生们求助于老的疗法.When necessary, instinct is the most reliable resource you can fall back on.必要时，最保险的办法就是凭直...
There are intangible benefits beyond a rise in the share price.除股价上升之外还有无形利益。The price depends on the intricacy of the work.价格取决于做工的复杂精细度。Ballpark estimates indicate a price tag of $90 million a month.大致的估计费用为每月9,000万美元。...
在加入样品前,两性电解质先通过凝胶电泳.Ampholytes are electrophoresed through the gel prior to sample addition.凝胶脱色的另一方法是电泳法.Alternatively the gels may be destained electrophoretically.电泳是根据分子的静电荷和形状分离大分子的技术.Electrophoresis is a technique ...
炎热的天气使人不愿意辛勤地工作.Hot weather indisposes a man to work hard.我们辛勤地研究了整个上午.We studied hard all the morning.她只是在炉子 、 工作台和水井这个永恒的小天地里辛勤地劳动,好象其余的一切都不存在似的.She plodded in her perpetuating circle of stove, worktable and sink as if...