rare earth

英 美
  • n. 稀土元素的氧化物
Noun:
  1. any element of the lanthanide series (atomic numbers 57 through 71)

    用作名词 (n.)
    1. The expected amount of hydrogen loss matches the net excess of oxidized material on Earth today.
      据此估计氢的损失量,和今日地球上的氧化物净值吻合。

rare earth的相关资料: