他们在战争的背景下发生恋情。
Their love affair was played out against the backdrop of war.
雪在脚下发出嘎吱嘎吱的声音。
这项罪行是在警察的纵容下发生的。
The crime was committed with the connivance of a police officer.
你能证实一下发生了什么事吗？
一块瓷片在我的脚下发出嘎吱的响声。
至少要给他机会解释一下发生了什么事。
At least give him the opportunity of explaining what happened.
你能否给我举例说明一下发生这事的情况？
苏珊娜盯着我看，她的眼白在街灯下发亮。
Susanne stared at me, the whites of her eyes gleaming in the streetlight.
我们都被从一个座位下发出的沙沙声吓着了。
We were all terrified by a rustling sound coming from beneath one of the seats.
那样做不会冲走全部的污水，但应该能疏通一下发臭的下水道。
That won't flush out all the sewage, but it should unclog some stinking drains.
我们已经结婚25年了，而我眼皮底下发生的这事儿使我最终忍无可忍。
We've been married 25 years and this carrying on under my nose was the last straw.
几个月前，愤怒的示威者在他窗下发起了喧闹的抗议活动。随后他的邻居们就坚持要加强安保措施。
Some months ago angry demonstrators mounted a noisy demonstration beneath his window. His neighbours thereupon insisted upon more security.
他甚至可以看见她那烧焦的毛下发红的皮肤。
面粉应在一定温度下发酵15到20小时。
The flour should be fermented for I5 to 20 hours at a certain temperature.
“在白天，我们的新发明可以在任何天气情况下发电。”他说。
"Our new invention can produce electricity in any weather during the day," he says.
2020年6月3日，教育部（MOE）下发了修订后的全国高中课程方案。
On June 3, 2020, the Ministry of Education (MOE) gave a revised course for high schools across the country.
这是一个传统的水下发光的燃料棒镜头。
这和种子在阳光下发芽的原理是一样的。
这样的事情有时候就在我们的眼皮底下发生。
他用脚踩着那些树枝，弄得它们在脚下发出断裂声。
He trampled on the branches, so that they all cracked beneath his feet.
无论是蝌蚪还是刚开始变形的蝌蚪，它们都能够在水下发出叫声。
They continue to emit distress calls underwater both as tadpoles and after they have begun metamorphosis.
我们关心的大多数过程都是在保持压强、温度或体积不变的情况下发生的。
Most processes that we're concerned with will happen with something held constant like pressure or temperature or volume.
游泳可以让你感到凉爽，但要注意致命的事故很容易在最意料不到的情况下发生。
Bathing will cool you but remember that fatal accidents can happen very easily and in the most unexpected conditions.
我们知道，在过去的几千年里，气候在没有任何大型的人为干预之下发生了剧大变化。
We know that over the past millennia the climate has undergone major changes without any significant human intervention.
当然，就像今天的其他环境问题一样，这是在全球变暖和人类干涉自然生态系统的背景下发生的。
Of course, like every other environmental issue today, this is playing out against the background of global warming and human interference with natural ecosystems.
此外，在地球太阳能系统可能遇到的温度下发生转变的材料在这种温度下通常具有破坏性的腐蚀性。
Moreover, materials that have transitions at the temperatures that terrestrial solar-energy systems are likely to encounter are usually destructively corrosive at those temperatures.
当人们在不知道如何真正控制它的情况下发射一个像无人机一样的自我控制飞行机器时，可能会发生一些糟糕或意想不到的事情。
Something bad or unexpected can happen when people send up a self-controlled flying machine like a drone without knowing how to really control it.
她过去习惯于在大庭广众之下发表讲话。
博汉国王召集他的部下发动最后的进攻，以夺回天剑。
King Bohan rallies his men to launch a final attack to regain the Heavenly Sword.
在报道的两种情况下发现的细胞在形态上可描述为宝石状的淋巴细胞。
The cells found in the two cases reported may be described as gemmy ring like lymphocyte in morphology.
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