Arm elevator
[机] 链臂升降机
🧩 词语组成解析
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
You really miss your family, don't you?
你非常惦念你的家人是吗？
Thank you.
谢谢。
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。