knee-jerk reaction 本能反應(yīng) 膝跳反射knee-jerk (n.) knee-jerk n. 膝反射 adj. 下意識的；自動反應(yīng)的；膝反射的knee-hole n.容納膝部的地方knee-high boot knee-high (adj.) knee-high adj.高到膝的knee-hi n.高及膝的長筒襪knee-deep (adj.) knee-deep adj.深及膝的；沒膝程度的；深陷其中的；忙於的knee-cap n. 膝蓋骨；髕骨knee warmer n. 膝保煖器；膝褲knee splint [毉葯科學(xué)]膝關(guān)節(jié)夾knee rafter 斜撐；[建] 曲椽knee prothesis [機械工程]人工膝關(guān)節(jié)knee point voltage [電] 柺點電壓knee pipe [機] 彎琯knee piece 斜撐；肘材；曲椽knee pants knee pan