Knee jerk
[医] 膝反射
🧩 词语组成解析
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
jerk
[dʒɝk]
vt. 猛拉;把（牛肉）切成薄片晒干;
vt.& vi. （使…）猝然一动[颤动];
n. 突然的拉[推，扭];<医>（肌肉的）痉挛，抽搐;蠢人;急促而猛烈的动作，猛地一拉;
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
Time past cannot be called back again.
光阴一去不复返。
I don't envy him his money problems.
我庆幸自己没有他那些金钱的烦恼。