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单词
电子带负电荷
例句
DEFINITIVE EXAMPLES 权威例句
〔charge〕
An electron has a negative charge.
电子带负电荷
。
英汉大词典
A proton has positive charge and an electron has negative charge.质子带正电荷,
电子带负电荷
。
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更新时间:2024/11/15 3:06:48