英语翻译railingbarraised piecethresholdcagecot 参考释义檻[kǎn]-(门槛;门限)threshold 实用例句在兽槛的狮子是没有危险的。The lions are safe in the cage.那个男孩把棍子从兽槛的铁栅间伸进去。The boy poked the stick through the bars of the cage.