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
That's a neat idea.
这是个好主意。
They are still lower than the quotations you can get elsewhere.
这些报价比其他任何地方都要低得多。
But Alfred had deduced that the Danes were no longer fit for prolonged battle:
然而，阿尔弗雷德断定，丹麦人已不再适应持久的战争，