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
Thank you. I'll make out the contract for you to sign tomorrow.
谢谢。我将起草合同，明天就签。
No problem.
没问题。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。