pelagic period

常見例句

雙語例句

• 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.
  第二階段為早、中上新世的結(jié)殼生長(zhǎng)間斷期，形成深海粘土沉積，表明此時(shí)南極底流的減弱和升溫；
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