It becomes dark when the moon hides it.
当月亮遮挡它时，它就会变黑。
Night falls and it becomes dark and cold. You have no food or water.
夜幕降临，你没有食物也没有水源。
Balsamic vinegar is aged until it becomes dark and mellow, with a sweet-sour flavor.
陈酿的香醋至颜色黑暗，味道醇厚酸甜。
Sometimes the sky is so blue that it becomes dark, and the clouds are like fists jutting out.
有时候，天蓝得发暗，天上的云彩白得好像一个个凸出来的拳头。
The gray corresponds to immobility without hope; it tends to despair when it becomes dark and regains little hope when it lightens.
灰色相当于不动没有希望，它往往绝望时，变得黑暗，恢复希望渺茫时减轻。
Rogers found that a chick's lateralisation depends on whether it is exposed to light before hatching from its egg—if it is kept in the dark during this period, neither hemisphere becomes dominant.
罗杰斯发现，小鸡的偏侧性取决于它在孵出蛋之前是否暴露在阳光下——如果在这段时间里保持黑暗，右脑或左脑都不会占优势。
The behavior of a galaxy's dark matter halo could affect its evolution and help determine whether it becomes a spiral or an elliptical, they added.
科学家们补充说，星系的暗物质晕可能会影响到星系自身的演化过程并决定星系的形态——椭圆状或者是涡旋状。
Then, sitting outside, as it gets cold and dark, she becomes wistful as she talks about her parents' idyllic marriage. "I'm romantic, " she says.
我们坐在外面，天变得又黑又冷，谈及自己父母平静快乐的婚姻时她有些惆怅，“我生性浪漫，”她说，“我喜欢悲壮的爱情故事。
Love is the flame of life, without it, everything becomes dark.
爱是生命的火焰，没有它，一切变成黑夜。
Love is the flame of life, without it, everything becomes dark. — Romain Rolland.
爱是生命的火焰，没有它，一切变成黑暗。——罗曼·罗兰。
Change the fluid as often as it said in your owner's manual or when it becomes too dark (rather brown than red) or dirty.
按用户手册的要求经常更换变速器油，油的颜色变深了（棕红色）或油变脏了，也要换油。
But one day, the boy stays out longer than he's supposed to, and when it gets dark, he becomes terrified.
但有一天，男孩待在外边的时间超出了规定，当天色变暗的时候，他很害怕。
Now it becomes obvious that the edges of the light 'foot' merge with the light bars, and are only visible when they traverse the dark bars.
现在，它变得明显，光的'脚'的边缘融入灯条，并且仅可见当他们穿过黑暗的酒吧。
Love eis the flame of life, without it, everything becomes dark.
Romain Rolland爱是生命的火焰，没有它，一切变成黑暗。
It usually becomes dark sooner in winter.
在冬天，天往往会黑的早一些。
And this feeling of not willing to give up, it becomes the specks of starlight in the dark.
而这种不想放弃的心情，它们变成无边黑暗里的小小星辰。
The oil should be checked as usual, if the oil becomes muddy or dark, then it needs to be replaced.
平时要注意检查液压油的状况，如发现油液浑浊、发黑，应及时更换。
The oil should be checked as usual, if the oil becomes muddy or dark, then it needs to be replaced.
平时要注意检查液压油的状况，如发现油液浑浊、发黑，应及时更换。
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