Engine arm support
[医] 机臂支柱(牙)
🧩 词语组成解析
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
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
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
You roll my log and I'll roll yours.
互相吹嘘。
After having spent whole mornings on the river, I always go home with an empty bag.
我总是在河上呆上整整一上午，然后空着袋子回家。