1. Holding a baby in her arms, she had to knee the door open. 她手里抱着孩子，于是不得不用膝盖将门撞开。
2. Her pants had a hole in the knee. 他长裤的膝盖部位有一个破洞。
3. The book slides from my knee down. 书从我的膝上滑掉下去了。
英英解释
n.
1. hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front b
2. joint between the femur and tibia in a quadruped; corresponds to the human knee
3. the part of a trouser leg that provides the cloth covering for the knee
