基本解释[机械工程]道岔岔心英汉例句双语例句The hairy frog or "horror frog" intentionally breaks its own bones to turn out a wicked set of cat-like claws.为了长出一对猫一样的爪子，多毛蛙会不惜折断自己的骨头。专业释义机械工程道岔岔心