halon代: take the place of; be in pla ...烷: alkane哈: blow one's breath; breathe o ...龙: dragon a huge extinct reptil ...卤代烷: alkyl halide; alkylhalide; alkylogen; haloalkanes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:卤代烷哈龙,即可在微信中查询翻译