vacuousadj.
英 'vækjʊəs | 美 'vækjuəs
中文adj. 空的；空虚的；空洞的；无意义的
词根词源
vacuous (adj.)1640s, "empty" (implied in vacuousness), from Latin vacuus "empty, void, free" (see vacuum (n.)). Figurative sense of "empty of ideas, without intelligent expression" is from 1848. Related: Vacuously.
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