amphoteric含有: contain; have; import电荷: electric charge; charge的: 4次方是 The fourth power of 2 i ...带负电荷的: negatively charged含有阴阳电荷的: amphoteric下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:含有正负电荷的，即可在微信中查询翻译
