cap opener

同根派生

Do not overheat cylinders to increase pressure or discharge rate. NEVER insert an object (e.g., wrench, screwdriver, pry bar, etc.) into valve cap openings.
禁止使鋼瓶過(guò)熱來(lái)增加壓力或流速。禁止把物躰（如扳手、螺絲起子、撬桿等）插入閥門(mén)帽地開(kāi)口処。
Who is the boy in the official school cap?
那個(gè)戴校帽的男孩是誰(shuí)？
His book was an eye opener to complacent young men.
對(duì)自滿的年輕人來(lái)說(shuō)，他的這本書(shū)有啓發(fā)作用。
The cap should twist off easily.
這個(gè)帽兒應(yīng)該容易擰開(kāi)。
Pea pods burst open when overripe.
豌豆過(guò)熟就會(huì)爆裂。