记忆方法
将“obligate”分解为“ob”和“lige”。想象自己被迫（“lige”）去承担（“ob”作为动词前缀）一项责任或义务，这样就形成了“obligate”这个单词，意味着使某人承担义务。
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英语词源
- obligate (v.)
- 1540s, "to bind, connect;" 1660s, "to put under moral obligation," back-formation from obligation, or else from Latin obligatus, past participle of obligare (see oblige). Oblige, with which it has been confused since late 17c., means "to do one a favor." Related: Obligated; obligating.
权威例句
- 1. The nature of the nutritional requirements for obligate parasites in nature is unknown.
- 人们还不知道自然界中专性寄生菌的营养要求的本质.
- 2. 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.
- 3. Paul Ehrlich sees coevolution pushing two competitors into " obligate cooperation. "
- 保罗?埃尔利希认为共同进化推动两个竞争对手进入 “ 强制合作. ”
- 4. An obligate anaerobe can survive only in the absence of oxygen.
- 专性厌氧生物只能在无氧条件下生存.
- 5. Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.
- 绵羊无浆体病是绵羊和山羊红细胞内专性寄生的由节肢动物传播的立克氏体疾病.
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