Melanoma: Dark-coloured malignant tumour of skin cells that produce the protective skin-darkening pigment melanin.

The room was darkening. He turned over towards the light and lay gazing into the glass paperweight.

屋子里开始发暗, 他转身凑着光亮,盯着玻璃镇纸看.

A fine shadow was flung over the deep green meadow, darkening all.

美丽的夜幕已经降临到深绿色的草地上, 一切都给吞没在黑夜之中.

But this time, as business leaders shared their experiences, one could almost feel the clouds darkening.

但这一次, 当商界领袖们交流看法时, 几乎都感觉到前景正变得更加黯淡.

My skin turning to a different hue . My black hair darkening.

我的黄皮肤变得更黄, 我的黑发变得更黑.

Bats flitted about in the darkening sky.

蝙蝠在暮色苍茫的天空中飞来飞去.

And if house prices fall, the picture darkens.

而且如果房价下跌的话, 形式会一片黑暗.

As the roast darkens, caffeine and acidity decrease proportionately.

烘焙度越深, 咖啡因含量越少,酸度也越小.

Uncertainty darkens the future of radio and television.

不定因素使无线电和电视的前途黯淡.

The sky darkens early in winter.

冬天天黑得很早.

Clouds heap upon clouds and darkens.

云霾堆积,黑暗渐深.

Darkens or lightens the colors, depending on the blend color.

使颜色变暗或变亮, 具体取决于混合色.

It is here that Twain's satirical vision darkens.

吐温那带有讽刺意味的眼光变得更加深沉了.

Snow darkens pictures sewn on banners red.

雪暗凋旗画.

But dullness never quite darkens the whole planet.

但是沉闷从来不会使整个地球变得暗淡.

Melanin darkens the skin and is the cause of suntan.

黑色素使皮肤变黑是人被晒黑的原因.

The shade darkens in response to sunlight and lightens in response to darkness.

针对阳光树荫下变暗,并减轻inresponse于黑暗.

They impose themselves before the late-afternoon sun, and the day darkens early.

它们强行遮住西斜的红日, 使天色早早地黑了下来.

An old saying says: " Who is this that darkens counsel by words without knowledge? "

“ 正如谚语所说: ” 是谁用无知的话语让人茅塞不开?

But what if the outlook darkens?

但情况出现恶化时又会怎样?

The darker it grew , the colder it became.

天色越晚天气越冷.