escapementn.
英 ɪ'skeɪpm(ə)nt; e- | 美 ɪ'skepmənt
中文n. 擒纵机构棘轮装置；脱逃；逃亡的出口；卡子
词根词源
escapement (n.)in watch- and clock-making, 1779 (from 1755 as scapement), based on French échappement (1716 in this sense); see escape (v.) + -ment.
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