waterless
adj. 无水的；干的；不用水的，不需水的
例句
A broken blue line means the course of a waterless valley.
蓝色虚线代表无水流过的山谷走向。
《柯林斯英汉双解大词典》
This is part of what led us to the realization that Lechuguilla is in that small group of waterless caves.
这是让我们认识到雷修古拉是为数不多的没有水的洞穴的原因之一。
Scientists think Earth started off as a waterless mass of rock.
科学家认为，地球最开始只是一团无水的岩石。
