facultative ['fækəltətɪv]以下由轻松背单词网站提供
单词级别附加级基本释义adj. 能力的,偶发的,任意的,许可的,[生]兼性寄生的参考例句All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes. 所有光合细菌加上各种兼性的好氧生物和绝对的厌氧生物具有这种能力。Nitrate can be used by facultative organisms living under intermediate conditions referred to as anoxic. 硝酸盐能够被生活在中等缺氧条件下称为兼性生物体所利用。 推荐阅读 |