单词small-arm
网络: 轻武器
I was five years old and he was about to stick a very big needle into my very small arm.
我五岁时他想把一个很大的针插进我的小胳膊中。
Analysis of Angle Speed and Angle Accelerated Speed for Big Arm and Small Arm of Prosthetic Manipulator
关节式机械大臂和小臂的角速度和角加速度分析