When we feel excited or angry, our heart can send more blood to the face and the pigments in the skin become red.
当我们感到兴奋或生气时，我们的心脏会向面部输送更多的血液，皮肤中的色素就会变红。
Maple leaves become red in autumn.
枫叶在秋天变红。
树叶变成红色和黄色的。
Why the apples can become red?
苹果为什么会变成红色的？
The gums become red and swollen.
牙龈变红和肿起。
It causes the gums to become red, swollen and bleed easily.
它会导致牙龈变得红肿和出血容易。
If an incorrect value is entered, the label will become red to alert the user of a validation error.
如果输入不正确的值，标签将变成红色，警告用户验证错误。
The skin should not become red after applying; it should immediately feel soothed and refreshed.
皮肤在使用后不应该变红，是会感到放松和振作。
The sky has become red, yellow, green, but the tree remains quiet, hidden, and is resting for the night.
天空变成红色、黄色、绿色，而树依旧宁静、神秘，并且彻夜安眠。
The skin may become red and hot as blood vessels dilate in an attempt to increase heat dissipation, sometimes leading to swollen lips.
中暑的时候皮肤会发红发热，因为此时血管扩充，试图增大热量散发，有时候嘴唇也会肿起来。
Thee skin may become red and hot as blood vessels dilate in an attempt to increase heat dissipation, sometimes leading to swollen lips.
中暑的时候皮肤会发红发热，因为此时血管扩充，试图增大热量散发，有时候嘴唇也会肿起来。
Still, astronomers calculate these stars, known as red dwarfs, will never fuse anything but hydrogen, which means they will never become red giants.
天文学家认为这些被称为红矮星的恒星不会聚合氢以外的物质，这就意味着它们永远不会成为红巨星。
Your blood vessels may expand. This causes the skin to become red. air passages in the throat and lung may shrink. This makes breathing difficult.
你的血管可能扩张。这使得皮肤变红。喉和肺部的气管可能收缩，使呼吸变得困难。
First, by dividing sovereign debt into tranches, the enhanced safety of the blue bonds would come at the expense of the red ones-which could become red-hot for risk-averse investors.
第一，把国债划分成几部分，蓝色债券被提高的安全保障，最终会以红色债券为代价- - -这对风险规避者成了烫手山芋。
That is doubly true of the cells in stored blood since red blood cells become less flexible with age, and thus less able to squish into capillaries.
对于储藏的血液细胞而言更是如此，因为红细胞随着年龄的增长而日益失去弹性，因此就越来越难以挤到毛细血管里。
Some leaves become brown,red or yellow.
一些树叶变成棕色、红色或黄色。
Some leaves become brown, red or yellow.
一些树叶变成棕色、红色或黄色。
Red carpets have become a primary marketing channel for fashion.
红地毯已经成为时尚界最主要的一条营销渠道。
Eczema is a skin condition that makes patches of skin become dry, red and itchy.
湿疹是一种皮肤病，它使皮肤产生斑点、变得干燥、鲜红和瘙痒。
The conversations, meetings, social events, and interactions that are not organic in my day—the red lights, the stops, the interruptions—have become very apparent.
各种谈话、会议、社会活动和互动都不是我一生不可缺少的东西------而红灯、暂停和干扰-----已经变得非常明显。
The star is in its twilight years, having become a red giant.
这颗恒星处于衰退期，已经变成了一个红巨星。
A cell with its haemoglobin genes switched on to overdrive, for example, will become a red blood cell.
例如，一个血红蛋白基因细胞转换并集中，将成为一个红血细胞。
And vivid scenes of street life filled with red umbrellas have become a hallmark of the artist.
鲜艳的街道，充斥的红色雨伞，这些已经成为了他的标志。
With this persistent flow of red ink, rising interest rates may become a threat to continued recovery.
而且随着这项赤字的持续，利率的上升也将会成为经济复苏的一个威胁。
With this persistent flow of red ink, rising interest rates may become a threat to continued recovery.
而且随着这项赤字的持续，利率的上升也将会成为经济复苏的一个威胁。
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