| 单词 | recoil |
| 释义 | Word Frequency recoilverb (rɪˈkɔɪl) (intransitive) 1. to jerk back, as from an impact or violent thrust 2. (often foll by from) to draw back in fear, horror, or disgust to recoil from the sight of blood 3. (foll by on or upon) to go wrong, esp so as to hurt the perpetrator 4. (of a nucleus, atom, molecule, or elementary particle) to change momentum as a result of the emission of a photon or particle noun (rɪˈkɔɪl, ˈriːkɔɪl) 5. a. the backward movement of a gun when fired b. the distance moved 6. the motion acquired by a particle as a result of its emission of a photon or other particle 7. the act of recoiling Derived forms recoiler (reˈcoiler) noun Word origin C13: from Old French reculer, from re- + cul rump, from Latin cūlus |
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