observantadj.
英 əb'zɜːv(ə)nt | 美 əb'zɝvənt
中文adj. 善于观察的；机警的；严格遵守的
词根词源
observant (adj.)1590s, from observe + -ant, or else from French observant, past participle of observer (see observance). In reference to Judaism, from 1902. As a noun from late 15c. Related: Observantly; observantness.
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