Since such a large proportion of their fat stores is exhausted despite feeding, mother seals clearly cannot support all of lactation using only energy stored before giving birth.
由于如此大比例的脂肪储备在喂养过程中会消耗殆尽，海豹母亲显然不能仅靠生育前储存的能量来维持整个哺乳过程。
Since such students are most likely to advance economically if they succeed in higher education, colleges and universities have pushed for decades to recruit more of them.
这些学生如果顺利完成高等教育，则最有可能改善自身的经济状况，因此，各专科学院和大学几十年来一直在努力招收更多这样的学生。
But since such students are most likely to advance economically if they succeed in higher education, colleges and universities have pushed for decades to recruit more of them.
但是，这些学生如果顺利完成高等教育，则最有可能改善自身的经济状况，因此，各专科学院和大学几十年来一直在努力招收更多这样的学生。
Such changes have not been seen since the invention of the printing press.
自从发明了印刷机，这种变革还没有出现过。
Since lake levels are controlled by rates of evaporation as well as by precipitation, the interpretation of such levels is ambiguous.
由于湖泊水位是由蒸发率和降水量控制的，对这种水位的解释是模糊不清的。
Such water would be useless in improving physical performance, however, since the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs.
然而，这样的水对提高身体机能毫无用处，因为只有通过肺部才能将氧气吸入血液，从而被肌肉吸收。
Since dolphins rid their bodies of the compounds rapidly once exposure ceases, their mortality rate should decline rapidly if such boat paints are banned.
由于海豚一旦停止接触，它们会迅速地将身体里的化合物清除，所以如果禁止使用这种船用油漆，它们的死亡率就会迅速下降。
Filling our prisons with such individuals would have exactly the opposite of the desired effect, since it would limit our ability to incarcerate younger criminals, who commit a far greater.
在我们的监狱里塞满这样的人会适得其反，因为这会限制我们监禁年轻罪犯的能力，而这些年轻罪犯的罪行要大得多。
I've been through such times since I saw you last, you can't think!
你想不到吧，自从我上次见到你以来，我经历过这样的时刻！
A vertical solar project on such a large scale has never been repeated since.
从那以后，再也无人复刻过如此大规模的纵向太阳能项目。
Honey made from such nectar can cause the effects the texts describe, but only if eaten fresh since the honey loses its toxicity within a few weeks of being made.
用这种花蜜制成的蜂蜜会产生书上所描述的效果，但只有在新鲜食用的情况下才会如此，因为蜂蜜在制作几周内就会失去毒性。
This is especially so, since there are such vast differences between the various places in that part of your country.
这方面尤其如此，因为贵国那个地区的不同地方差别很大。
Perhaps we should give special attention to the conservation of such plant species since they lack key factors in their defenses against the environmental disruption caused by pesticide use.
也许我们应该特别注意保护这类植物，因为它们缺乏关键的因素来抵御由使用杀虫剂而造成的环境破坏。
These legislators argue that such a policy would reduce crime dramatically, since it would take people with a proven tendency to commit crimes off the streets permanently.
这些立法者认为，这一政策将大幅减少犯罪率，因为它将使那些已被证明有犯罪倾向的人永远远离街头。
It's been such a long time since I played.
自从我上次演奏以来已经过了这么长时间了。
Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。
Deep wishes or fears—especially those held since childhood—often appear in dreams, and many dreams fulfil such wishes.
深深的愿望或恐惧——尤其是从童年起就有的愿望或恐惧——经常出现在梦中，而许多梦都满足了这些愿望。
As we all know, the "rice bowl" culture of China has influenced some Asian countries such as Japan, Korea and Vietnam since we started to use chopsticks while eating food.
众所周知，自从我们开始使用筷子吃饭以来，中国的“饭碗”文化已经影响了一些亚洲国家，如日本、韩国和越南。
That such deep events do occur has been accepted only since 1927 when the seismologist Kiyoo Wadati convincingly demonstrated their existence.
直到1927年地震学家KiyooWadati证明了这种深度地震的存在，人们才承认这种现象确实存在。
There has been a budding economic recovery since the 2008 global crash, but in key indicators in areas such as health and education, major economies have continued to decline.
自2008年全球经济崩溃以来，经济复苏初现苗头，但在卫生和教育等领域的关键指标上，主要经济体的状况仍持续下滑。
Since a workplace injury would disqualify an employee from such programs, some employees might be concealing injury, when it is feasible to do so.
由于工伤会使员工失去参加这类项目的资格，一些员工可能会在可行的情况下隐瞒工伤。
I consider it a rare honor since, under the same cover, there are names of such great poets as Li Po and Tu Fu.
能同李白、杜甫这样伟大诗人的名字出现在同一个封面下，对我来说当然是一种难得的殊荣。
The world hasn't faced such a big challenge since World War II.
自二战以来，世界从未面临过如此大的挑战。
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