Serration broach
[机] 锯齿拉刀
🧩 词语组成解析
n. 锯齿状, 锯齿边\\n[医] 锯齿形, 锯齿构造
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
He was our go-between.
他是我们的媒人。
Riches either serve or govern the possessor.
财富可以侍候主人，也可以支配主人。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。