An incessant buzzing of helicopters filled the twilight.

里塞满了直升机断续嗡嗡声。

Thus hour after hour passed, till it was again twilight.

时间一点点流逝，直到满天星斗再现。

Twilight is short, and the unseen birds of twilight wistful, catching the heart.

昏短暂，中，看不见鸟儿在伤感似地啼鸣，声声动人。

Yet the twilight zone is virtually unexplored.

然而，过渡带几乎未被探索过。

To put it another way, today is not the twilight of your life at Duke.

换句话说，今天不是你们在杜克大学最后一天。

The cool air of the twilight was scented with sweetbrier.

里凉风袭人，暗香浮动。

Your twilight years are your old age.

你晚年就是你老年时期。

It was twilight before we reached the Tower.

在我们还没有到达伦敦塔时候，就已是昏时分了。

Zooplankton live in the twilight zone.

浮游动物生活在微光区。

And plunged the entire world into a permanent haze that would resemble a twilight for around 3 years.

整个世陷入了永久阴霾，大约有三年时间都处于朦胧状态。

Frodo and Sam were walking together in the cool twilight.

佛罗多和山姆一起走在凉昏里。

It's called the ocean's twilight zone.

它被称为海洋过渡带。

The old man likes to take a walk in the twilight.

那位老人喜欢在昏时分散步。

House cats, for one, are twilight hunters with vertically elongated pupils.

举个例子，家猫是昏猎手，瞳孔垂直拉长。

No, not that twilight zone, though some do look pretty strange.

不，不是那个模糊地带，尽管有些看起来很奇怪。

Its twilight disappears only by the spectacle of the northern lights.

只有北极光奇观才能将湮没。

Or another example " shiny" or like the guy in twilight " sparkly" .

另一个例子是“闪亮”或者像《光之城》里“闪耀”。

The reef is located in what's called an oceanic twilight zone.

此珊瑚礁位于所谓海洋曙光区。

There were always the twilight hours of noon-time provided by the moon.

正午时分，还可以借助月亮微弱光芒照明。

We now believe they depend on the twilight zone.

现在我们相信它们依赖着过渡带。