A loose mulch acts on the surface as an insulator.

The atoms of an insulator hold their electrons very tight.

绝缘体的原子把电子抓得很牢.

词典精选例句

Shellac also happened to be an effective electrical insulator.

紫胶恰巧还是一种有效的绝缘物.

互联网摘选

Even in an insulator the electrons can move about without leaving their parent atoms or molecules.

甚至在绝缘体内,电子也能不离开它所属的原子或分子而运动.

词典精选例句

In a hot climate the condensation will be on the inner surface of the insulator.

在气候炎热时,凝结水将出现在隔热层的内表面.

词典精选例句

Semiconductors have properties different from those of conductors and insulators.

半导体具有不同于导体和绝缘体的特性.

互联网摘选

Plastic, cloth, glass and dry air are good insulators.

塑料 、 布 、 玻璃和干燥的空气都是很好的绝缘体.

互联网摘选

Conductors let electricity through, but insulators don't let through.

导体让电流通过, 而绝缘体则不让通过.

互联网摘选

Insulators in reality conduct electricity but their resistance is very high.

实际上绝缘体也导电,但电阻很高.

互联网摘选

In metals all electrons are free, and in insulators they are fixed.

金属里面电子是自由运动的, 但在绝缘体里面是不动的.

互联网摘选

Insulators in reality conduct electricity but, nevertheless, their resistance is very high.

绝缘体实际上也导电, 但其电阻很高.

互联网摘选

Things made of bamboo are insulators, which function very well.

竹木制品是绝缘体, 具有很好的防导电功能.

互联网摘选

To reduce heat losses the pipes are covered by thermal insulators.

为了减少热散失,管子外包保温层.

词典精选例句

Objects which cannot let electricity pass through are called insulators.

不能让电流通过的物体叫做绝缘体.

互联网摘选

I got my insulin , all right, but they broke all the damn needles.

我想要胰岛素, 但他们把针打碎了.

电影对白

Insulin is secreted by the pancreas.

胰岛素是胰腺分泌的。

《牛津高阶英汉双解词典》

Diabetics who must take extra insulin should take care not to overdo it.

需要额外服用胰岛素的糖尿病患者,应该小心,不要服量过多.

网络文摘精选

Was the test used to measure insulin sensitivity off by the supplements?

设计该测试是用来测量被维生素补剂抵消掉的胰岛素敏感性 么 ?

网络文摘精选

What the volunteer was referring to was the insulin pump Harman wears to control her diabetes.

其实,这位志愿者妇女指的是哈曼身上用来控制她的糖尿病的胰岛素泵激励了她的女儿.

网络文摘精选

Check the label on the insulin bottle to make sure you are using the correct insulin.

检查胰岛素瓶上的标签,确定您使用的胰岛素是对的.

网络文摘精选

In addition, serum levels of glucose, adiponectin and insulin were measured.

此外, 血清中血糖, 脂联素,胰岛素测定.

网络文摘精选