Fast growing colonies of a certain type of algae often turn the water red.

某些藻类的快速生长通常会使海水变红。

Hey, Paul! Here's a little tip, she really likes it when you rub her neck in the same spot over and over and over again until it starts to get a little red.

你好，保罗！告诉你个小贴士，她很喜欢你在她脖子同一个地方不停地揉来揉去，直到变红为止。

All of the lights at this intersection turn at the same time so all the traffic stops at once, and the crowds just swarm into the middle of it fighting to get to the opposite side.

个十字路口所有的灯都同时变红，所有车辆都同时停止，人群涌到马路中间，争先恐后地跑到对面去。

Her cheeks went red after she broke the window.

她打破了窗户后，她的脸颊变红了。

'She's dead, ' replied Oliver, his face going red with emotion.

“她死了，”奥利弗回答说，由于感情激动，他的脸变红了。

Calm down Rob. Your face is turning red!

冷静，罗布。你的脸已经变红了！

As I was crossing the street, the traffic light turned red.

当我过马路时，红绿灯变红了。

We'll make phenylephrine red because we know it leaves you congested.

我们会让腺素的成像变红，因为我们知道它会让你充血。

Were you to insert a gastroscope into someone's stomach so that you could see their stomach lining, you could actually see the mucous membrane turn red with irritation upon drinking coffee sweetened with sugar.

如果你把胃镜插入一个人的胃里，样你就能看到他们的胃粘膜因为喝了加糖的咖啡而变红。

She said no more, but her face showed that she thought being a private teacher was little better than being a servant, and Meg's cheeks quickly became red.

她什么也没说，可从她脸的表情可以看出她认为做家庭教师仅仅比做仆人好一些。麦格的脸很快变红了。

The fire in the goblet had just turned red again.

高脚杯里的火焰又变红了。

When it turns red, it will be ripe and ready to eat. Yum!

当它变红的时候，它就成熟了，可以吃了。美味！

Bacteria starts to grow and multiply inside the pore making it swell and turn red.

细菌开始在毛孔内生长和繁殖，使其膨胀并变红。

The small patch of Hagrid's face that was not black or purple, flushed.

海格脸没有青紫色的那一小块皮肤变红了。

So affects multiple organs wolf... reddening of the skin?

影响多器官、狼、皮肤变红？

At that point the lesion will be completely red and will be called erythoplakia.

此时种病损会完全变红，被称为黏膜红斑病。

If this remains blue, all is well. If it turns red, it's a man's life.

如果还是蓝色，一切都好。如果变红，就关系到一条人命。

Winn? The screens just lit up red! What's going on?

温 屏幕刚全变红了 出什么事了？

Why do I turn red when everyone's looking at me?

为什么所有人都看着我的时候我的脸会变红？

Well, a lot of rocks on Mars are full of iron, and when they're exposed to the great outdoors, they 'oxidize' and turn reddish, the same way an old bike left out in the yard gets all rusty.

火星的很多岩石都富含铁，当它们暴露在户外时，就会“氧化”并变红，就像一辆被扔在院子里的旧自行车生锈一样。