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
Have a nice stay.
希望你们住得愉快。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树，也没有淡水，但这不算什么问题。