Involute spline broach
[机] 渐开线栓槽拉刀
🧩 词语组成解析
a. 纷乱的, 复杂的, 内卷的\\nn. 渐开线\\nvi. 内卷, 恢复原状, 消失
n. 曲线尺, 齿条, 塞缝片, 花键\\nvt. 用花键联接, 开键槽
broach
[brotʃ]
vt. 谈起;打开并开始用;用凿子扩大（或修光）;（在桶上）钻孔取液体;
vi. <海>（船）突然横转;
n. （烤肉用的）炙叉;胸针;
broach=broch刺，缝 → 钻孔器；开瓶塞；提出问题
🗣️ 情景例句
Where do you want to go to eat?
想到哪儿吃？
We waited for john in the lobby of the airport.
我们在机场的大厅里等约翰。
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。