unplumbed基本解释
adj.深度未用铅锤测量过的;未经探测的;未加探究的
【liuxuequn.com留学群】
adj.深度未用铅锤测量过的;未经探测的;未加探究的
adj.深度未用铅锤测量过的;未经探测的;未加探究的
【liuxuequn.com留学群】
"the profound depths of the sea"
"the dark unfathomed caves of ocean"
"unplumbed depths of the sea"
"remote and unsounded caverns"