His teeth were perfectly straight.

他的牙齿非常整齐。

《柯林斯英汉双解大词典》

British scientists have discovered that the gigantic female turtles can swim for thousands of miles in a perfectly straight line.

英国的科学家发现，巨型雌性龟能在一条完全的直线上游行上千英里。

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All these effects make the Parthenon look perfectly straight from a distance.

这些建筑效果使帕提侬神庙从远处看起来十分高耸笔直。

youdao

Can't my mind take off from there and push straight ahead to the idea of the perfectly straight, even if I never have encountered it before?

即使我之前没有直接碰到过,难道我的心灵不能借此来推断出,完美的直线是什么样子的吗

耶鲁公开课 - 死亡课程节选

Taking the problem, recognizing that you know what, 8 even though this is a pretty big problem size 8 in this case and last time it was size 8 or in the case of the papers in size of a thousand roughly with the phonebook, I assume these are in a perfectly straight line they won't quite fit.

以这个问题为例，你们要认识到，在这种情况下，这是个比较大的问题，其大小是,上次它的大小也是8，但在纸片那个问题中,电话簿的规模大概是上千的，现在假设这些,杯子完全在同一条直线上，虽然并不十分符合这个条件。

哈佛公开课 - 计算机科学课程节选

One question is this: Is it really true that in order to think about the perfectly straight, I must have somehow, somewhere at some point come up against, had direct knowledge of, the perfectly straight?

一个问题是,难道真的说,为了想象一条完美的直线,我必须,在某处直接碰到,并直接了解一条完美的直线吗

耶鲁公开课 - 死亡课程节选

Because if NGDP were growing at a stable rate then the log of NGDP would be a perfectly straight line.

FORBES: Childless Keynesians And The Future They Made

The last time I saw him, he said with a perfectly straight face that as long as he owned the place the first Enos Grahame could come back whenever he liked and find the whole house just as he remembered it!

NPR: Excerpt: The Sherwood Ring

Time after time my mind has been blown by the ease in which Ponting gets off the mark with a perfectly executed straight or on-drive down the ground.

BBC: Justin Langer column