slackeningWiktionary 原文英美vt.使松弛，放松，放慢vi.变松弛，减弱，松劲slacken 的变形 · 中文释义来自 ECDICT释义动词verb1present participle and gerund of slacken名词noun1The act by which something slackens; loss of speed, tautness, etc.