One way to hold corkscrew: a piece of metal wound round and round like a spring, which only grips when you turn it and only moves forward while it turns. Everything else the word does is that one piece of metal handed over to something else — its shape to hair and staircases, its motion to planes, smoke and mountain roads.
可以想成：一段像彈簧那樣一圈一圈捲起來的金屬，它要轉才咬得住，而且是一邊轉一邊往前進。這個字其他的用法，就像是把這段金屬交給別的東西——把形狀交給頭髮和樓梯，把動作交給飛機、煙和盤山的路。
From the word’s history
From cork + screw, so the name is literally the screw you use on a cork.
這個字由 cork（軟木塞）和 screw（螺絲）組成，字面上就是「對付軟木塞的那根螺絲」。名字直接寫出了工具的長相，所以後來借去形容捲髮、旋轉樓梯和盤旋的動作時，讀者一聽就懂。
Wiktionary entries for corkscrew (noun, adj, verb), supplied in this packet: 'From cork + screw.'
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