All the students have to give presentation by turns.

所有的学生要轮流作演讲。

By and by the days turned cold.

渐渐的，了。

His obsession could make him by turns hustling, mean and dejected.

他的痴迷会让他时不时地得急躁、刻薄和沮丧。

He kissed and embraced each of them by turns.

他轮流亲吻和拥抱每个孩子。

By turning clay into liquid, the process is dramatically shortened.

通过将粘土成液体，这一过程大大缩短。

The amount of heat produced by this electrical apparatus is variable by turning a small handle.

这电热器所产生的热量可随着转动小把手而改。

Bereavements and blessings, one following another, make us sad and blessed by turns.

痛苦与幸福交替出现, 使得我们一会悲伤一会高兴。

It works by turning language into something computers can understand, math.

它的工作原理是将语言转化为计算机可以理解的东西，即数学。

Metabolism is the process by which living things turn food into energy.

新陈代谢是生命将食物转化成能量的过程。

By turns philosophical and polemical, this is a provocative and fascinating book.

时而富有哲理，时而充满争议，这是一本发人深省且引人入胜的书。

So, what should you do? Start by turning off the phone and unplugging any wires.

，你应该怎做呢？先是关闭手机并拔掉所有电线。

They do it by turning their bodies into animated message boards.

它们将自己的身体成活动留言板。

Reduce their ambiguity and make them clear by turning them into simple if-then statements.

通过将这些想法转化为简单的“如果-”语句来减少它们的模糊性并使其清晰。

Yet by turning his head on his pillow he could see Ron's deserted bunk.

然而当他在枕头上转过头去时，能看到罗恩废弃的床铺。

Growers and users are by turns livid and scared.

大麻种植者和使用者怒气冲冲后得恐惧起来。

They tested the wind by turning their heads this way and that.

他们把脑袋转来转去地测试着风向。

I do this by turning off all notifications, so I'm not constantly being distracted.

我关掉所有的通知，这样我就不会经常分心了。

No problem. So, start by turning the computer off and inserting the DOS disk.

不客气，你先关闭电脑，插入DOS盘。

The snake is eaten in turn by an owl.

接着蛇被一只猫头鹰吃掉。

By turning boring time into listening time.

通过把无聊的时间成练听力的时间。