Knee joint
n. 膝关节，弯头结合，肘接
🧩 词语组成解析
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
joint
[dʒɔint]
adj. 共同的，联合的;共享的;两院的;连带的，共同的;
n. [解]关节;接合处;下流场所;一块烤肉（英式英语）;
vt. 结合，联合;为…装上接头，使…有接缝;
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
I realized sadly that I had been completely defeated by their ingenuity.
我懊丧地感到败在了足智多谋的蚂蚁的手下。