Knee action
[机] 膝形杆动作, 膝形杆作用
🧩 词语组成解析
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
I would like to buy some stamps, please.
我想买些邮票。
I often have supper at night.
我常常在晚上吃晚餐。
When are you going to have a holiday, Sam?
萨姆，你准备什么时候去度假？