一、详细释义:


n.

污点,痕迹,斑点,小块 [C]


例句:

You can't eat bread covered with dark specks.

你可不能吃满是黑斑的面包啊。


例句:

I saw a speck of blood.

我看到一点血迹。


微粒,灰尘


例句:

Billy leaned forward and brushed a speck of dust off his shoes.

比利俯身擦掉了鞋子上的一丝灰尘。


例句:

I've got a speck in my left eye.

我左眼里掉进一颗灰尘。


v.

使有斑点 [T]


例句:

By such behaviour he's specked the honour of his family.

他的行为玷污了他祖上的名声。


例句:

The pears are badly specked.

这些梨子有很多斑点。


二、词义辨析:


molecule,atom,particle,speck,grain

这些名词均有“粒,微粒”之意。 molecule指物质中保持原物质的一切化学性质,能独立存在的最小微粒,即分子。 atom指元素的最小粒子,其体积比molecule小。 particle指任何物质的微粒,引申指任何小的部分。 speck一般指“微点”或“微粒”,可引申指“斑点、污点”。 grain通常指能为肉眼清楚看到的颗粒,比上述几个词所表“粒”的体积大。


三、参考例句:


I saw a speck of blood.

我看到一点血迹。


I've got a speck in my left eye.

我左眼里掉进一颗灰尘。


The debate aroused not a speck of public interest.

这次争论没有引起公众丝毫的兴趣。


The ship was a mere speck on the horizon.

船在地平线上仅为一个小点。


I have definitely seen this floating speck before.

我之前肯定是见过这个漂浮物。


He looked at a speck on the window glass.

他看到了窗玻璃上的一个污斑。


I have not a speck of interest in it.

我对它没有任何兴趣。


Shirley flicked a speck of fluff from the sleeve of her black suit.

雪莉弹掉了黑色套装袖子上的一点小绒毛。


The sky is clear and bright without a speck of cloud.

天空晴朗,一点云彩也没有。


Billy leaned forward and brushed a speck of dust off his shoes.

比利俯身擦掉了鞋子上的一丝灰尘。