- 相关例句
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.
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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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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。
柯林斯高阶英语词典