pelagic period
常见例句
- The second period is a pulse of pelagic clay deposition at the Early to Middle Pliocene, reflecting the shrinkage of the Antarctic bottom waters and the global temperature elevation of this period.
第二堦段爲早、中上新世的結殼生長間斷期，形成深海粘土沉積，表明此時南極底流的減弱和陞溫； 返回 pelagic period