obligate
英 ['?bl?ge?t]
美['ɑbl?,ɡe?t]
- vt. 使負義務(wù)；強使，強迫；對…施以恩惠
- adj. 有責任的，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養(yǎng)要求的本質(zhì).
來自辭典例句
- 2. All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes.
- 所有光合細菌加上各種兼性的好氧生物和絕對的厭氧生物具有這種能力.
來自辭典例句
- 3. Paul Ehrlich sees coevolution pushing two competitors into " obligate cooperation. "
- 保羅?埃爾利希認為共同進化推動兩個競爭對手進入 “ 強制合作. ”
來自互聯(lián)網(wǎng)
- 4. An obligate anaerobe can survive only in the absence of oxygen.
- 專性厭氧生物只能在無氧條件下生存.
來自互聯(lián)網(wǎng)
- 5. Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.
- 綿羊無漿體病是綿羊和山羊紅細胞內(nèi)專性寄生的由節(jié)肢動物傳播的立克氏體疾病.
來自互聯(lián)網(wǎng)