obligate
英 ['?bl?ge?t]
美['ɑbl?,ɡe?t]
- vt. 使負(fù)義務(wù)；強(qiáng)使，強(qiáng)迫；對(duì)…施以恩惠
- adj. 有責(zé)任的，有義務(wù)的；必需的
IELTS暢通詞匯
詞態(tài)變化
第三人稱單數(shù):?obligates;過去式:?obligated;過去分詞:?obligated;現(xiàn)在分詞:?obligating;
英文詞源
- 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.
雙語(yǔ)例句
- 1. The nature of the nutritional requirements for obligate parasites in nature is unknown.
- 人們還不知道自然界中專性寄生菌的營(yíng)養(yǎng)要求的本質(zhì).
來(lái)自辭典例句
- 2. All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes.
- 所有光合細(xì)菌加上各種兼性的好氧生物和絕對(duì)的厭氧生物具有這種能力.
來(lái)自辭典例句
- 3. Paul Ehrlich sees coevolution pushing two competitors into " obligate cooperation. "
- 保羅?埃爾利希認(rèn)為共同進(jìn)化推動(dòng)兩個(gè)競(jìng)爭(zhēng)對(duì)手進(jìn)入 “ 強(qiáng)制合作. ”
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- 4. An obligate anaerobe can survive only in the absence of oxygen.
- 專性厭氧生物只能在無(wú)氧條件下生存.
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- 5. Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.
- 綿羊無(wú)漿體病是綿羊和山羊紅細(xì)胞內(nèi)專性寄生的由節(jié)肢動(dòng)物傳播的立克氏體疾病.
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