protective cage
美
英 
英汉解释
例句
When it is ready to pupate, the caterpillar binds these hairs together with silk to construct an intricate protective cage around itself.
当它准备化蛹时,毛毛虫就把这些毛发物和丝缠绕在一起来在自己周围建造一个复杂的防护笼。
She is let out of her protective cage once a year, for a whiff of fresh air.
她每年能从保护罩中出来一次,呼吸一下新鲜空气。
Placed a protective cage over the sapling; a bank teller's cage.
在树苗上罩上一个保护栏;银行保护栏把小树砍倒。