Once it's come up to a boil, you get that wonderful layer of " scum."

一旦沸腾起来，你会发现上面有一层奇妙“”。

We see how the shores on our entire side are completely full of scum.

我们看到我们整个海岸都是。

Pond scum on Sebelius Lake, a reservoir, contaminated a treatment plant with a specific kind of cyanobacteria known to produce anatoxin, which targets the brain and can cause seizures, loss of muscle control and even death.

西贝利厄斯湖上池塘污染了一家处理厂，其中含有一种已知能产生安纳托克毒素蓝藻细菌，这种细菌入侵大脑，会导致癫痫发作、肌肉失控，甚至死亡。

The lime joins with the sour acidsthat are in the juice, and forms a green scum, which is taken off.

石灰跟甘蔗汁里酸性成分, 成一种绿色。这层要去掉。

This means that the fish themselves when the scum sticks to the mesh, can avoid the net.

这意味着，当粘在网眼上时，鱼自己就以避开网。

He pictures the evil Pope skimming scum from soup bowls.

他想象着邪恶教皇从汤碗中撇去。

Where you used to see pond scum, now think of hope.

过去看到池塘地方，现在想到了希望。

It's also been known as pond scum.

它也被称为池塘。

It's called pumice, from an old word meaning like foam or froth.

它被称为石，来源于一个古老词汇，意思是像泡沫或一样。

Do you ever notice the scum that happens?

你有没有注意到那种出现？

And you would notice if anyone's soaked beans, that this scum rises to the top and it's kind of bubbly and scummy and you can either scrape it off or pour it off.

你会注意到， 如果有人浸泡过豆子，会有一层到表面， 有点泡沫状且浑浊， 你以刮掉或倒掉它。

A converted seagoing freighter with scummed and rusted plates, the superstructure cut down to the boat deck level, and above that two stumpy masts just high enough for a radio antenna.

一艘改装过远洋货轮， 上面有和锈迹斑斑板材， 上层建筑被砍到与船甲板齐平， 在那之上，两根粗短桅杆刚好够放无线电天线。

As the steel melts, the flux forms a slag that floats on the surface, where it prevents the liquid steel reacting with air and creating impurities.

当钢熔时， 溶剂形成一层， 在表面，防止液态钢与空气反应产生杂质。

The real-life losers – dropouts and junkies, petty criminals locked away for decades – drifted towards the finish-line banners flotsamming on the dreamworld's trackpool.

现实生活中失败者——辍学者、瘾君子以及被关押多年 minor criminals ——漂向了终点线旗帜，这些旗帜像一样漂在梦境世界跑道池中。

The tiniest puddle of replicating pond scum on an exoplanet would still be the biggest discovery we've ever made, ever, about anything.

在系外行星上复制池塘最小水坑仍然是我们有史以来最大发现, 曾经, 关于任何事情。

A thick oily scum oozed out from below the stone and stained the water round, rising slowly to the surface.

一层厚厚油状从石头下面渗出， 染红了水面， 缓缓出水面。

It reacts with the calcium and magnesium ions of hard water to form insoluble precipitate called scum.

它与硬水中钙镁离子反应，形成不溶性沉淀物——。

A faintly rotting smell, like pond scum on a hot July day, hit Aru's nose, and she tried not to gag.

一股淡淡腐烂气味， 就像炎热七月里池塘里一样，扑鼻而来，她努力不去作呕。

And when we removed our pond scum's telomerase, their telomeres ran down and they died.

当我们去除池塘端粒酶时，它们端粒就会流失并死亡。

It passed languidly and the dull water glowed with it and the speedboat slid across the line and closed in fast under the overhang, past the two huge scummy stern hawsers.

它懒洋洋地过去，沉闷水面泛着光，快艇滑过防线，在悬垂物下快速靠近，越过两根巨大、满是船尾锚索。