当有人或者物通过的时候，它可以准确可靠的探测到，并给自动门提供信号，从而避免自动门夹人夹物事故的发生。

When someone or something passes, it can accurately and reliably detect, and provide signals to the automatic door, thereby avoiding the occurrence of automatic door clip folder accident.

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潜泳的时候，不要碰珊瑚礁或者搅动沉淀物，因为这样做可能会破坏珊瑚脆弱的生态系统。

When snorkeling, do not touch the coral or stir up sediment, as these actions can damage the reef's fragile ecosystem.

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看看天空，或者看看你路过的建筑物，你正在在其中穿行。

Look at the sky, or at the buildings you pass, traveling among them.

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A supplement, he points out, is something that either completes something that isn't complete or adds to something that already is complete.

他指出，一个补充物，或者是补充了不完整的事物,或者补充了已经完整的事物。

耶鲁公开课 - 文学理论导论课程节选

Something that takes two inputs, a left operant - and a right operant and it just returns a Boolean value is-- or rather it returns a left to right value.

它有两个输入，一个是左边的作用物,一个是右边的作用物，然后返回一个布尔值-,或者更确切地说，返回一个从左到右的值。

哈佛公开课 - 计算机科学课程节选

A primer is a short RNA sequence or DNA sequence that gets sort of the process of replication jump started, and that's just because of the biological properties of DNA polymerase that that primer's needed.

引物是一段短的RNA或者DNA序列,引物是整个复制的起点,因为DNA聚合酶的,生物特性,引物在复制过程是必不可少的

耶鲁公开课 - 生物医学工程探索课程节选