词汇	roller recess
释义	roller recess 机滚子凹穴
随便看	rare and endangered plant species rare and endangered species rare and endangered tree species rare and endangered type Rare and endangered wildlife rare and endangered wild plant Rare and endangered wild plants rare and endangerod plant rare and endemic rare and endemic fishes rare and endemic plant rare and good medicine rare and precious metals rare and precious plant rare and precious wei piece Rare and protected plants rare and protected trees rare and rare earth metal ore deposit Rare and threatened plants rare and transformable rare and unusual plants rare and valuable works rare animal rare animal protection rare animals