Well, we start out with our usual system, and we have a bunch of little pebbles on it.

还是那个系统，活塞上面放了很多小石子。

麻省理工公开课 - 热力学与动力学课程节选

It gives a little bit more excitement to your weekend, something different to do than the usual thing.

去做些你不常做的事，这会为你的周末增添更多精彩。

如何利用空闲时间 - SpeakingMax英语口语达人

Well, I'm going to get back, let's just draw a bigger square than usual that's roughly four times the size.

嗯，返回的是，我画一个更大的方形,大致上是4倍的大小。

哈佛公开课 - 计算机科学课程节选

Freedom was a kind of an accident that came about because the usual ways of doing things were not possible.

自由的产生和发展是非常偶然的,因为照正常发展是不可能出现的

耶鲁公开课 - 古希腊历史简介课程节选

So, in a way, I'm flipping my usual practice; I would tell you a little bit about its publication history at the beginning.

其实我有点儿跳出我的常规做法;,通常我会在讲课的一开始,就谈及相关的出版历史。

耶鲁公开课 - 1945年后的美国小说课程节选

I've been describing a for-profit corporation, which is the usual variety.

我所提及的一直是盈利性公司,也是最普遍的一类

耶鲁公开课 - 金融市场课程节选

As I mentioned before is one example on the risk for breast cancer in women, so you'd randomly assign half to following their usual diet, the other half to an intervention program where people are prescribed a low fact diet, given counseling and interventions from dieticians and things, and then you look to see what happens for risk as people go forward in time.

我之前提过,这例子研究的是,女性的乳腺癌发病率,你将随机选择其中一半人按一般习惯饮食,另一半人则参与一个干预计划,其中每人都要食用,由营养学家设计推荐的低脂肪菜单,然后再看随着时间推移,被试者的发病率是怎样变化的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you drop the arrow, it's the usual convention, if you're talking about the length of the vector A.

如果你把箭头去掉,就表示矢量 A 的模长,这是约定俗成的

耶鲁公开课 - 基础物理课程节选