Waving can mean welcome and farewell, whereas scratching your head may indicate that you are at a loss.
挥手表示欢迎和告别，而挠头则表示不知所措。
Why do some students give up when they encounter difficulty, whereas others who are no more skilled continue to strive and learn?
为什么有些学生遇到困难就放弃了，而另外那些技巧上并无更多过人之处的学生却继续努力学习？
Novels and poems are read in a prescribed temporal sequence, whereas a picture has no clear place at which to start viewing, or at which to finish.
人们会按既定的时间顺序阅读小说和诗歌，但一幅画却没有明确的让人开始或结束欣赏的地方。
Consistently, research shows that communicating with others promotes health, whereas social isolation is linked to stress, disease, and early death.
研究一致表明，与他人交流促进健康，而社交孤立则与压力、疾病和早逝相关联。
Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.
黑熊幼崽用树来防御，而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。
Strangely enough, whereas in the past the inhabitants of one street all knew each other, nowadays people on the same floor in tower blocks don't even say hello to each other.
奇怪的是，过去住在同一条街上的人彼此都认识，而现在住在同一层楼的人甚至都不打招呼了。
This is particularly true for trees in the middle and upper latitudes, which tend to attain greater heights on ridges, whereas in the tropics the trees reach their greater heights in the valleys.
这种情况在中高纬度地区的树木中尤其常见，这些树木往往在山脊上长得更高；而热带地区的树木则往往在山谷中会长得更高。
Prey species, like young deer or goats, for example, typically play by performing sudden flight movements and turns, whereas predator species, such as cats, practice stalking, pouncing, and biting.
比如说，像小鹿或者山羊这种被捕食的种群，它们的代表动作就是突然快速逃跑的动作和突然转弯；相反的，猫科动物之类的捕食种群会练习潜行追踪、猛扑和撕咬等动作。
Note that this is a radial gradient, whereas earlier you saw a linear gradient.
注意，这是一个放射状渐变，而此前您看到的是一个线性渐变。
By 1911 Carnegie was near the end of his career, whereas Watson's was only starting.
到了1911年，卡耐基已经接近他事业的终点，而沃森才刚刚开始。
Idleness spawns discontent, whereas overwork leads to mental and physical exhaustion.
懒惰滋生不满，而过度工作导致精神和身体的疲劳。
Between 2005 and 2009 Germany's share of world exports grew, whereas France's shrank.
2005至2009年间，德国出口占世界出口额节节攀升，法国的情况则刚好相反。
Lucky people consistently encounter such opportunities, whereas unlucky people do not.
幸运的人始终会遇到这样的机会，而不幸的人却遇不到。
"Infinity is an absolute, whereas eternity is a temporal relation," Mr. Lanthemann said.
“无限是绝对的，而永恒是一个时间上的关系，”兰热曼先生说。
Horizontal lines imply tranquility and rest, whereas vertical lines imply power and strength.
水平线表示宁静和安定，而垂直线表明权力和力量。
In his dream, he experienced a whole life, whereas woke up only to find that the millet was not cooked yet.
在梦里，卢生经历了一生，而他在枕上醒来的时候，却发现店主的“黍饭”还没有熟。
And the Japanese have only won the championship once, in 2009, whereas the Italians have won twice since 2005.
而且日本队仅在2009年赢得过一届冠军，反之意大利自2005年以来已两度折桂。
On Sundays, old people seem to come out of the woodwork, whereas during the week, no one sees them at all.
一到礼拜天，那些老人不知从哪全冒出来了。礼拜一到礼拜五根本看不见他们。
The main macroeconomic difference is that Romania's currency floats, whereas Bulgaria's is pegged to the euro.
两国在宏观经济政策上的最大区别是在汇率政策，罗马尼亚采取的是汇率浮动制，而保加利亚则是采取盯住欧元的政策。
And they can stay in the air for more than a week, whereas most drones fly for no more than 30 hours at a time.
气球飞艇能在空中停留一个多星期，而多数无人机一次最多只能飞行30小时。
In many firms, some businesses have excellent growth prospects whereas others are mature but produce lots of cash.
在很多公司，一些业务具有很好的发展前景，而另一些成熟的业务可以产生大量现金。
Hydrogen, the lightest element, has a single proton whereas uranium, the heaviest naturally occurring one, has 92.
氢是最轻的元素，原子核中只有一个质子，而铀这种自然形成的最重元素的原子核中有92个质子。
What Don Juan realizes in action is an ethic of quantity, whereas the saint, on the contrary, tends toward quality.
唐璜在行动中悟出的就是数量准则，圣者则背道而驰，他们朝向的是质量准则。
Malthus argued that natural populations grow at an exponential rate, whereas the increase in food supply is linear.
Malthus论证说，自然群体的数量是呈指数级增长的，而食物供应的增加却是呈线性的。
Some people prefer to think things through on their own whereas others need to talk out loud to clarify their ideas.
有些人更愿意自己思考，而另外一些人则需要大声的说出来才能明确他们的想法。
GM's losses have since far exceeded that sum, whereas Nissan has notched up the best profit margins in the industry.
此后至今，通用的亏损总额远远超过了这个数字，而日产的利润率却已在业界独占鳌头。
A big part of the trouble is that the gains from the overuse of antibiotics are private, whereas the losses are public.
这一问题的大部分在于过量使用抗生素所带来的收益属于个人，不良结果却要大家承担。
A big part of the trouble is that the gains from the overuse of antibiotics are private, whereas the losses are public.
这一问题的大部分在于过量使用抗生素所带来的收益属于个人，不良结果却要大家承担。
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