短语词组短語volatiles interface 氣躰樣品進樣接口reducing volatiles 還原氣躰tobacco volatiles 菸草揮發物vegetable volatiles 蔬菜氣味rice volatiles 水稻揮發物secondary volatiles 揮發性次生物質hindgut volatiles 後腸揮發性物質external volatiles 外揮 返回 volatiles