Back knee
[医] 膝反屈, 翻膝
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
🗣️ 情景例句
Please remain calm, sir. Just give me your name and your location.
请保持镇静，先生。告诉我你的名字和所在地点。
He snatched the purse and the ladder, and ran away.
他抢了手提袋和梯子，逃走了。
Four years later, she left the children's home and entered an institution for the blind, where she learnt braille.
4年之后，她离开孤儿院，进入一盲人学校，学习布莱叶盲文。