The liquid is found in a highly concentrated form.

Hydrogen combines chemically with oxygen to form water.

氢和氧化合成为水.

《简明英汉词典》

Division is a form of computation.

除法是一种运算方法.

《简明英汉词典》

Canals and rivers form the inland waterways of a country.

运河和江河构成了一个国家的内河水路.

《简明英汉词典》

His forehead knotted in a frown.

他眉头紧锁。

柯林斯词典例句库

Billy's eyebrows knitted together in a little frown.

比利眉头微皱。

柯林斯词典例句库

There was a deep frown on the boy's face.

男孩眉头紧锁.

柯林斯词典例句库

The smile disappeared to be replaced by a doleful frown.

笑容消失了，取而代之的是哀伤的蹙眉。

柯林斯词典例句库

She saw his frown and hastened to explain.

看到他皱起眉头，她赶紧解释。

《牛津高阶英汉双解词典》

He screwed his face into a frown.

他皱起眉头,面露愠色.

网络期刊摘选

Don't frown at me like that.

不要那样对我皱眉(不高兴).

《现代汉英综合大词典》

And trembled with fear at his frown.

而当他皱眉时她却因担心而颤抖.

网络期刊摘选

Her beautiful face had a resentful frown on it.

她那俊俏的眉梢怨恨地蹙了起来.

——辞典例句

A fiddly task like threading a needle often makes you frown.

烦琐的工作就像穿针引线一样,常常令你皱眉头.

《简明英汉词典》

Her frown gave him a speechless message.

她眉头一皱给了他一个暗示.

《现代汉英综合大词典》

We can make a dimpled smile out of a frown.

我们能弄出个酒涡,使你愁容变笑靥.

——英语连读（第二部分）

At the dawn on the lawn the yawning drowned man began to frown.

拂晓时在草坪上,打欠伸的溺水者开始皱眉头.

网络期刊摘选

Bt the dawn on the lawn the yawning drowned man began to frown.

拂晓时在草坪上,打呵欠的溺水者开始皱眉头.

网络期刊摘选

His worried frown relaxed a little.

他紧蹙的愁眉稍稍舒展开了.

网络期刊摘选

The mountains frown down on the plain.

在平地上看,群山突兀.

——辞典例句

I noticed a slight frown of disapproval on his face.

我留意到他轻轻皱了一下眉,露出不赞成的样子.

——辞典例句