| 词汇 | vacuous |
| 词根词缀 | 词源： 1648, "empty," from L. vacuus "empty, void, free" (see vacuum). Figurative sense of "empty of ideas" is from 1848. 词根记忆： a. 空虚的;无意义的[vac,van,void=empty,表示"空"] a. 无意义的(vac空)[-uous表形容词,"多…的"] |
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