bathy- 或 batho-pref.(前缀)Deep; depth:深处;深度:例句:batholith.岩基Deep-sea:深海的:例句:bathysphere.深海球来源:From Greek bathus [deep,] 源自 希腊语 bathus [深处] and from Greek bathos [depth] from bathus 并源自 希腊语 bathos [深度] 源自 bathus