| 单词 | involuntary |
| 释义 | involuntary UK [ɪn'vɒl.ən.tri] US [-'vɑ:.lən.ter.i] adjective ■not done by choice; done unwillingly, or without the decision or intention of the person involved 非自愿的；不由自主的，无意识的 •A sharp tap on the knee usually causes an involuntary movement of the lower leg.突然轻轻敲一下膝盖，小腿通常会不由自主地动一下。 |
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