The reason is that their valence band is full of electrons, which obstructs current flow.

因为它们的价带填满了电子, 使电流无法流动.

互联网摘选 2026-04-04 13:28:17

重点词汇

相关例句

1、

An excess of modesty obstructs the tongue.

过多的谦虚束缚舌头.
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2、

A device or means that obstructs, blocks, or plugs up.

堵塞的方法：阻碍，阻挠或堵塞的工具或途径。
来源：互联网摘选
3、

After voiced obstruent tone II syllable is changed to a voiceless unaspirated sound.

全浊上字读阴上后全浊声母变为不送气清音.
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4、

The longer this situation obtains, the more extensive the problems become.

这种局面持续的时间越长，问题波及的范围就越广。
来源：《柯林斯高阶英汉双解学习词典》
5、

The perfect body has always been difficult to obtain.

完美的身材总是很难拥有。
来源：《柯林斯高阶英汉双解学习词典》
6、

Several firms offered to obtain republication of his novel.

好几家公司提出希望重版他的小说.
来源：《现代汉英综合大词典》
7、

You must pay off your old loan before you can obtain a new one.

你必须还清旧账,然后才能再借款.
来源：《简明英汉词典》
8、

It's far beyond reach of our ability to obtain such aim.

按我们的能力这种目标是不可企及的.
来源：《现代汉英综合大词典》
9、

These conditions no longer obtain.

这些状况已不复存在。
来源：朗文当代高级英语词典第6版
10、

To obtain the overall score, add up the totals in each column.

要得出总计得分，就把各栏的小计加起来。
来源：《牛津高阶英汉双解词典》
11、

I want to accept it.

我想接受这份工作.
来源：网络文摘精选
12、

Where can I obtain the book?

我在哪里能买到这本书?
来源：《简明英汉词典》
13、

Evans was trying to obtain a false passport and other documents...

埃文斯正试图取得一本假护照和其他证件。
来源：《柯林斯高阶英汉双解学习词典》
14、

These ideas no longer obtain.

这些见解已经行不通了.
来源：《现代英汉综合大词典》
15、

to obtain advice/information/permission

得到忠告 / 信息 / 许可
来源：《牛津高阶英汉双解词典》
16、

I finally managed to obtain a copy of the report.

我终于设法弄到了这份报告的一个副本。
来源：《牛津高阶英汉双解词典》
17、

They were plotting how to obtain the necessary information.

他们正在策划如何获取必要的情报.
来源：《简明英汉词典》
18、

The dried herb is obtainable from health shops.

这种干药草能在保健店里买到。
来源：词典精选例句
19、

Savings of up to 50 percent are obtainable.

可以节省50%以上.
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20、

The periodical is obtainable on the very first day of every month.

这本杂志每月一号出版.
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