If you gradually move your tongue forward towards the th-sound, stopping halfway, your tongue will be behind your teeth, and the pitch will get higher.
假如你渐渐将舌头前移向发th 声所在的位置，然后半路停下，你的舌头会停在你的牙后，同时音调会升高。
The worst may be behind them now, but the shocking losses of the past few years have reshaped nearly every facet of their lives—how they live, work, and spend—even the way they think about the future.
最糟糕的情况可能已经过去，但过去几年令人震惊的损失几乎改变了他们生活的方方面面，包括他们的生活、工作和消费方式，甚至他们对未来的看法。
France's high labor costs seem to be behind the drop off in exports.
法国的劳动力成本高，似乎是出口下降背后的原因。
Personally, I think a clever monkey could be behind the whole thing.
我个人认为，这整件事情的背后很可能是由一个聪明的猴子在幕后策划的。
Investors themselves may actually be behind the rise in fees, however.
然而，投资者自己也许落后于上涨的费用。
Dehydration or a medication side effect may be behind a hallucination.
她的脱水或药物副作用可能给她留下一个幻觉。
Soon thepast would be behind them and England would become their present.
过去很快就会被抛在身后，而英格兰将会成为他们的现在。
Police are believed to be behind pamphlets recently circulated in cities.
人们相信最近在很多城市散发的传单里都有警察的影子。
From our vantage point, a second galaxy happens to be behind the first galaxy.
从我们所在最佳位置看过去，在第一个星系的后面就能看到第二个星系。
In fact, he is pointing at a cardinal direction that happens to be behind his back.
事实上，他所指的是一个恰好在他身后的主方向而已。
For truth be told, we both know who will be behind my death, but dare not call his name.
说句实话，我们都知道是谁在幕后策划了我的死亡，却不敢说出他的名字。
A decline in smoking, one of the top risk factors for the disease, may be behind the drop in cases.
吸烟作为主要致病因素，吸烟率的下降，可能能解释为什么胰腺癌患病率下降。
White House pressure on ABC is thought to be behind a grovelling apology later issued by the broadcaster.
人们认为，这位播音员后来低声下气地道歉是由白宫向美国广播公司施压而一力促成的。
Police officials have not yet commented on who may be behind the threats or why the youths had been targeted.
警方还没有评论到底谁是幕后主使以及这些年轻人为什么会被列为击杀目标。
If they are unable to put up money for bail, they may be behind bars for several weeks until a court appearance.
如果驾驶员无法支付保释金，那么将在看守所度过几周时间，直到出庭。
But scientists are quick to point out that non-biological chemical reactions could also be behind the observations.
但是科学家很快指出，在这次观察中没有找到生物化学反应。
Enhanced heating of the stratosphere could be behind the heightened effects felt by Europe of changes in solar activity.
平流层中增加的热量正是太阳活动期欧洲升温作用的幕后黑手。
But we contacted linguists and speech pathologists to glean more about the mechanisms that might be behind the mix-up.
我们还是联系了语言学家和言语心理学家去找寻这背后可能存在的机制。
With his hard line, Mr Sarkozy seems to be behind a ban, although he will now await the outcome of the parliamentary mission.
持强硬路线的萨科奇先生似乎似乎不久后就会签署这一禁令，尽管目前他仍在等候议会的结果。
But in a competitive market, even a differential of two or three to one would be enough to guarantee that you'd always be behind.
但是，在一个高度竞争的市场中，即使开发速度只相差两三倍，也足以使得你永远处在落后的位置。
The galaxy in question would really be behind you, but you're looking through one face of the dodecahedron as if it were a window.
也许看到的星系在后方，但你就好像把十二面体的一个面当作窗户向外看。
For instance, other stressors, such as pesticides and a lack of good nutrition, may be behind the bees' lack of resistance, she said.
她说到，就好像其他压力，譬如杀虫剂以及营养的匮乏，也是蜜蜂不能抵抗的潜在因素。
The energy seems to be behind the terms and concepts of "information architecture," "interaction design," and "usability engineering."
人们的精力似乎更专注于“信息架构师”、“交互设计”和“可用性工程”的术语和概念。
The energy seems to be behind the terms and concepts of "information architecture, " "interaction design, " and "usability engineering."
人们的精力似乎更专注于“信息架构师”、“交互设计”和“可用性工程”的术语和概念。
Meanwhile, groups based in Orakzai-Khyber region are believed to be behind the recent spate of bombings in Peshawar and other cities of central NWFP.
同时，那些根据地在奥拉·克兹-开米尔地区的团伙被认定是最近白沙瓦及其他西北前线省城市爆炸潮的幕后实行者。
After 14 quarters in which the profits of companies in the S&P 500 have grown at a double-digit rate, their best quarters may now be behind them.
在标准普尔成份股（公司）的利润增长连续14个季度达到两位数以后，他们的黄金季节现在也许已经离去。
After 14 quarters in which the profits of companies in the S&P 500 have grown at a double-digit rate, their best quarters may now be behind them.
在标准普尔成份股（公司）的利润增长连续14个季度达到两位数以后，他们的黄金季节现在也许已经离去。
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