他们认为，气候变暖和缺少阳光是造成瓢虫变红的原因。
The reason, they believe, is that a warming climate and fewer sunny days might be driving a shift in ladybug color.
叶黄素就是其中一种鲜明的黄色，而番茄红素是一种使得西红柿变红的类胡萝卜素。
Lutein is one that's a bright yellow. And lycopene is the carotenoid that makes tomatoes red.
虽然他们目前还不能证实这就是在火星上所发生的事情，但这似乎是一个很合理的解释，且变红的过程并不需要水的参与。
Though they can't yet prove that this is what happened on Mars, it seems like a plausible explanation, and doesn't require water for the reddening process.
这个结论是通过比较重大火山爆发事件后天空变红的程度得出的。
This was proven in the paper by comparing the reddening of the sky following major volcanic eruptions.
接触HF、蒸气或水溶液的皮肤会迅速产生一块变红的区域，通常在表面带有组织凝结造成的白色或灰色。
Skin contacted by HF, vapor, or aqueous solution rapidly produces an erythematous (reddened) area, often with a white or gray color at the surface caused by coagulation of tissue.
当一只雄性成功时，它的触角将变红。
受感染的皮肤会变红，并可能起水疱。
我非常害怕在公众场合说话，以至于每次我站上台，我的脸都会变红。
I am so afraid of speaking in the public that I would turn red whenever I appear on a stage.
两分钟警告：宝宝脸变红，开始咕咕囔囔的时候。
Two-minute warning: When the baby's face turns red and she begins to make those familiar grunting noises.
苍翠的山林在秋风中渐渐变红了。
The verdant mountain forest turns red gradually in the autumn wind.
两分钟警告：宝宝脸变红，开始咕咕囔囔的时候。
Two-minute warning: When the baby 's face turns red and she begins to make those familiar grunting noises.
为了解释得清楚起见，他说：“同学们，如果我现在头朝下脚朝上，倒过来站，你们都知道，血液会涌到我的头部，我的脸会变红。”
Trying to make the matter clearer, he said: "Now, students, if I stood on my head the blood, as you know, would run into it, and I should turn red in the face."
在这次月食中，在北美洲最佳观测点可以看到在寒冬的天空中出现一轮铜黄色的月盘，这是因为月亮由于地球黯淡阴影的中心滤过的光芒而变红了。
During the eclipse, the best viewing in North America found the coppery lunar disc high in a cold winter sky, the Moon reddened by light filtering into the Earth's dark central shadow or umbra.
第二天早上，这位邻居来到这位妇女的房子，问这位妇女她的西红柿变红了没有。
The next morning, the neighbor comes over to the woman's house and asks the woman if her tomatoes have turned red.
例如，为什么有些树的叶子秋天变红，而另一些树的叶子则变黄，这种现象应该有它合理的原因。
For example, there is a good reason why some leaves turn red and others yellow in the fall.
症状两日的旅程之后，您的眼睛变红，发痒，并且有脓液渗出。
Problem Two days into a trip, your eye turns red, itchy, and starts discharging pus.
即使你从未怀疑过这就是树叶变红时的情况，它还是有迹可循的。
Even if you had never suspected that this is what was going on when leaves turn red, there are clues out there.
象大家现在看到的一样，水杉的叶子在每年的深秋时节都会变红，在阳光下泛出金红的光泽，十分耀眼。
As we see now, the metasequoia leaves in the late autumn season will be an annual effect of reddening in the sun Slam red gloss, very eye-catching.
在秋天，树上的叶子变黄，变红了。
在秋季，树上的叶子变黄，变红了。
通过测量空间膨胀把超新星的光波拉长了多少、变红了多少，天文学家们还可以判断出这种“宇宙炸弹”是多久以前发生爆炸的。
They can also tell how long ago the stellar bomb went off by measuring how much its light has been stretched to longer, redder wavelengths by the expansion of space.
突然间我的脸变红了，但幸运的是，同事们一点都没有怪我。
Suddenly, my face turned red, but luckily, my colleagues didn't blame me at all.
由于愤怒安娜的脸变红了。
她感到她的脸变红了。“对不起，罗伯，只是我，嗯，有些不知所措。”
She felt her face going red. "I'm sorry Rob, it's just that I'm, um, overwhelmed."
两个男孩呆呆地看着哈利，哈利觉得自己的脸在变红。
The two boys gawked at him, and Harry felt himself turning red.
参加演习的那些人谈到能够“改变红点和蓝点”；使友军(蓝)看上去是敌军(红)，反之亦然。
Those who play war games speak of being able to "change the red and blue dots" : make friendly (blue) forces appear to be the enemy (red), and vice versa.
你能感觉到你的脸色变红、你的心脏加快、你的血液快速冲遍全身，流到你身体的每一个部位！
You can feel your face is getting red, your heart is beating fast, and your blood is rushing all over your body, to every single corner of your being!
你能感觉到你的脸色变红、你的心脏加快、你的血液快速冲遍全身，流到你身体的每一个部位！
You can feel your face is getting red, your heart is beating fast, and your blood is rushing all over your body, to every single corner of your being!
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