diatomic gas二: two原子: atom气体: gas; gaseous fluid二原子气体激光器: diatomic molecules gas laser单原子气体: monatomic gas; monoatomic gas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:二原子气体,即可在微信中查询翻译