He was about to shut the door when an idea came to him.
他正准备关门时，突然想起了一个主意。
He was rescued only when an exhausted friend swam ashore.
当一个精疲力尽的朋友游上岸时，他才得救。
When an older person enters a room, everyone stands.
一位老人进入房间时，所有人都站着。
A number of things happen when an oral tale gets written down.
当一个口头故事被写下来的时候，会发生很多事情。
He said when an elephant has fleas, it is the fleas that do the jumping.
他说，当一头大象有了跳蚤，是跳蚤在跳。
When an ex-cop took up teaching, he was equally disappointed with education.
当一位曾经的警察加入教师行列后，他对教育同样感到失望。
When an oil pool or field has been discovered, wells are drilled into the ground.
当发现一个油藏或油田时，就在地下打井。
When an organisation is shrinking, the best and most mobile workers are prone to leave voluntarily.
当一个组织在萎缩时，最优秀、流动性最强的员工往往会自愿离职。
When an object is encountered again, it is matched with its internal representation and thereby recognized.
当再次遇到一个对象时，它将与其内部表示相匹配，从而被识别。
The girl was then hit a second time by another van when an elderly trash collector came to her aid, according to some witnesses.
据一些目击者说，当一位上了年纪的垃圾清运员前来帮助她时，这名女孩再次被另一辆面包车撞倒。
A century ago in the United States, when an individual brought suit against a company, public opinion tended to protect that company.
在一个世纪前的美国，当个人对一家公司提起诉讼时，公众舆论往往会保护那家公司。
When an important person died, scenes and stories from his life were painted and carved on the walls of the place where he was buried.
当一个重要人物去世时，他的生活场景和故事都会被画出并刻在他被埋葬的地方的墙上。
When an association continues long enough for two people to become linked together by a relatively stable set of expectations, it is called a relationship.
当一段联系持续时间足够长，使两个人通过一组相对稳定的预期连结在一起，这就叫做关系。
But in some cases, one marketer's owned media become another marketer's paid media—for instance, when an e-commerce retailer sells ad space on its Web site.
但在某些情况下，某市场营销者的自有媒介会成为另一个营销者的付费媒介。比如，当某电子商务零售商出售其网站上的广告空间时。
When an insect brushes against them, this triggers a tiny electric charge, which travels down tunnels in the leaf and opens up pores in the tear's cell membranes.
当一只昆虫与它们擦身而过时，就会触发一种微小的电荷，电荷沿着树叶里的隧道向下移动，并打开泪液细胞膜上的小孔。
Three people were injured yesterday when an explosion rocked the factory.
昨天，三名工人在爆炸引起的工厂震动时受伤。
When an infected mosquito bites a human, spores are injected into the blood.
受感染的蚊子叮人时，孢子就被注入人体血液。
A book begins when an author comes up with an idea for a book.
一本书始于作者对它的构思。
On a beach, run away from the sea and move quickly to higher ground when an earthquake happens.
在海滩上，当地震发生时，要逃离大海，迅速移动到高地。
When an accident happens, you have to call the police.
当事故发生时，你需要喊警察。
I was just about to go out when an unexpected visitor came.
我正要出门，这时候来了一位不速之客。
When an iceberg separates from the ice shelf and capsizes, the green ice is exposed.
当冰山从冰架上分离并倾覆时，绿色的冰层就露出来了。
When an underwater volcano pushes submerged rock to the surface, a new island is created.
当海底火山将水下的岩石推到表面时，一个新的岛屿就形成了。
When an orally transmitted story is written down, an authoritative version with a recognized author is created.
当一个口头相传的故事被写下来的时候，就会诞生一个知名作家的权威版本。
That tradition is said to have started when an Austrian man gave a diamond ring to the woman he wanted to marry.
据说这一传统来源于一位奥地利男子，他送了一枚钻石戒指给他想娶的女人。
That tradition is said to have started when an Austrian man gave a a diamond ring tothe woman he wanted to marry.
据说这一传统来源于一位奥地利男子送了一枚钻石戒指给他想娶的女人的故事。
How come people have to turn off their cell phones and all our electronic devices when an airplane is about to take off?
当飞机要起飞时，人们为什么要关掉他们的手机和所有的电子设备呢？
One example of this occurs when an Anglo- Saxon writer refers to a seventh-century English princess as "a wonderful man".
关于这种的例子有：一位盎格鲁-撒克逊作家将一位七世纪的英国公主称为“一个了不起的男人“。
One example of this occurs when an Anglo- Saxon writer refers to a seventh-century English princess as "a wonderful man".
关于这种的例子有：一位盎格鲁-撒克逊作家将一位七世纪的英国公主称为“一个了不起的男人“。
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