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
Here are the fliers, hot off the press!
传单来了， 刚刚印出来的！
To sleep like a baby
睡得像个婴儿
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。