词汇	chronolithologic unit
释义	chronolithologic unit 年代地层单位
随便看	The keys are in the possession of the caretaker The keys are with reception the keys of a piano the keys of a typewriter The Keys of Light created Colors in Spectrum The key space consists of The key state of Ohio the key state-owned forest area the key state-owned forest areas the keystone in the crown of an arch The keystone in the crown of an arch the keystone kops The keys were jingling in his pocket the key technical indexes the key technique the Key Technologies the key technology The Key Technology Researches on a Cable Crane the key techonology the key theorem the key to The key to computers is miniaturization the Key to Detection The key to his attitudes is a belief in law the key to my car