我们直接从北京飞到纽约。（副词，“直接地”——表示中间没停。）

We flew direct from Beijing to New York.

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交友成功的男生每隔7分钟左右会交换一次座位，好多过往参与者都纷纷献计，表示中间可以穿插譬如眨眼游戏这样的小活动，并设置奖品及惩罚办法。

Successful men will have to change seats every seven minutes while, at the instigation of former users, activities such as a winking game have been introduced, with prizes and forfeits.

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该校安全部门的荣生表示：“过去，我们学校的保安在放学后不得不站在路中间阻止汽车。”

Rong Sheng from the school's safety department said, "In the past, our school safety guards had to stand in the middle of the road after school to stop the cars."

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But since in drawing Lewis structures actually, in some cases you do, you can draw a dotted line that means a 1 and 1/2 bond, but most in most cases, we just draw out both resonance structures, and the way that we say it's a resonance structure is that we put it in the brackets and we put an arrow between it.

但是由于在画路易斯结构时,其实，在某些情况下是可以的，你可以画一条虚线来表示一又二分之一键，但是在多数情况下，我们就把两个结构都画出来，而我们说这是一个共振结构的表示的方法是,把它们放在括号里，并在中间放一个双箭头。

麻省理工公开课 - 化学原理课程节选

This is the payoff to Player I of choosing Middle against Right, and the line in between, this line here, is the expected payoff to Player I of choosing Middle as a function of the probability that other people choose Right.

这条表示对手选右时参与人选中的收益,两个端点中间的线段部分,表示参与人I选右的预期收益,它是对手选右概率的一个方程

耶鲁公开课 - 博弈论课程节选