单词	nonupgradable
释义	nonupgradable [网络] 不可降级
随便看	function rating number function recorder function recursive programming function reference function reference name function-related function-relateds function relay function representation function requester function requirement function response function result type function return value function room function rooms function routine functions functions and mapping functions and operating processes functions and powers function scope function screen function select function selection keyboard 人心所向人心所归人心涣散人心皇皇人心莫测人心隔肚皮人心难测人心齐，泰山移人怕出名猪怕壮人急偎亲水禽水程水稻水竹水竹叶水笔水笕水筲水管水箱