It is simple pleasures, such as a walk on a sunny day, which have a cumulative effect on our mood.
诸如在晴朗的日子散步这样简朴的乐趣对我们的情绪有累积性益处。
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。
There are some very exciting developments which have enabled this.
一些非常令人兴奋的发展使这成为有可能发生的事。
A country's capacity to produce wealth depends upon many factors, most of which have an effect on one another.
一个国家创造财富的能力取决于许多因素，其中大多数因素相互影响。
They even say that large wild animals which have not lived in the UK should be helped to return and live wild.
他们甚至说应该帮助那些没有在英国生活过的大型野生动物回归野外生活。
Contrast this middle path with America and Europe, which have each gone ideologically overboard in their own ways.
将这条中间道路与美国和欧洲进行对比，这两个国家在意识形态上都以自己的方式走上极端。
It holds six language families, two of which have only one remaining language, and almost all of the languages here are endangered.
它有六个语系，其中两个只剩下一种语言，几乎这里所有的语言都濒临灭绝。
Elephants, which have no predators, must roam widely to get their daily ration of about 300 kilograms (660 pounds) of grass, leaves, and twig.
没有天敌的大象必须在广袤的大地上四处漫游，才能获得每日约300公斤（合660磅）的草、树叶及树的口粮。
Private courier companies, which have more dollars to spend, use their expertise in logistics to help revitalize damaged areas after a disaster.
私人快递公司可支配的资金更多，它们利用自身在物流方面的专业技术来助力灾区的重振。
Mass market paperbacks, which have been declining for years anyway, will probably disappear, as will hardbacks for mysteries, thrillers, "romance fiction," etc.
无论如何，大众市场的平装书已经衰落多年，且可能会消失，就像神秘小说、惊悚小说、“浪漫小说”等的精装书一样。
This all amounts to heightened activity and noise levels, which have the potential to be particularly serious for children experiencing auditory function deficit.
所有这一切都意味着活动量和噪音水平增加，这对有听觉功能缺陷的儿童来说有更加严重的潜在影响。
Adams took a succession of jobs which have stood him in good stead.
亚当斯做了一连串对他很有利的工作。
Wheat is grown in places which have cold winters and warm, dry summers.
小麦生长在冬季寒冷、夏季温暖干燥的地方。
Some of it has to do with recent stage musicals, which have been very, very stylized.
其中的一些与最近的舞台音乐剧有关，是极度非写实的。
My grandparents like stories which have happy endings.
我的爷爷奶奶喜欢结局美满的故事。
China is one of the countries which have the largest number of rivers.
中国是世界上河流最多的国家之一。
How many kinds of animals are mentioned in the news story which have been reintroduced to the wild?
新闻报道中提到了多少种动物已经被重新放归野外？
There are about a hundred things in the museum to see: clocks which have been telling the time for six hundred years, Roman money, some of the earliest books in the world, including Shakespeare's own works.
博物馆里有大约一百件东西可看：计时已有六百年的钟表、罗马货币、世界上一些最早的书籍，包括莎士比亚的作品。
Gather some leaves which have an interesting texture and shape.
采集一些带有有趣的纹理和形状的叶子。
Items which have still not sold after several sales are destroyed.
多次销售之后仍未售出的物品将被销毁。
There are at least two classes of these receptors, which have been designated A1 and A2.
这些受体至少有两类，分别被命名为A1和A2。
In front of the two trees which have been destroyed in the typhoon sit a group of young kids.
被台风摧毁的两棵树前面，坐着一群小孩。
There are some buildings which have historical significance to the locals or to the wider community.
有些建筑对当地人或更广泛的社区具有历史意义。
The combustion of larger molecules, which have multiple carbon-carbon bonds, involves a more complex series of reactions.
具有多重碳-碳键的大分子的燃烧涉及到一系列更复杂的反应。
If the speculators are not to blame, what about the oil companies, which have failed to increase output in spite of record profits?
如果投机者不应受到谴责，那么那些尽管利润创下纪录，但仍未提高产量的石油公司呢？
Not to be left behind are the disease-spreading pests, about 100 species of which have become immune to a variety of insecticides now in use.
传播疾病的害虫也不甘落后，其中约有100种对目前使用的各种杀虫剂有了免疫力。
Unlike floating ice shelves which have little impact on sea level when they break up, the ice sheet is anchored to bedrock will blow the sea surface.
当浮动冰架破裂时，对海平面的影响很小；而与之不同的是，固定在基岩上的冰盖将会使海面炸毁。
Great writers are those who not only have great thoughts but also express these thoughts in words which have powerful effects on our minds and feelings.
伟大的作家不仅有伟大的思想，而且能够用文字表达这些思想，他们的文字对我们的思想和感情有强大的影响。
Her dresses were in jewel patterns, which have been seen before on many runways, but looked cool when the frills spilled down one side of the slender dresses.
她的裙子上有珠宝图案，这在很多T台上都见过，但当褶边从苗条的连衣裙一侧滑落时，这些图案看起来很酷。
The scheme was overtaken by the economic crisis, and the stranglehold of BAA and BA, both of which have a lot invested in Heathrow, has prevented its revival.
该计划被经济危机所取代，英国机场管理局和英国航空公司对希思罗机场进行了大量投资，这两家公司的严格控制阻碍了希思罗机场的复兴。
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