collapsed material 中文意思是什麼
collapsed material
解釋
塌積物-
As the cloud collapsed under its own weight and rotated faster, some material was spun into a doughnut - shaped disk
當雲彩崩潰了在它自己的重量之下和快速地轉動了，一些材料轉動了入一張油炸圈餅形盤。 -
Such old zircons could exist in the youngest ash only if they originated in material that was ejected during the oldest eruptions and if that material later collapsed back into the magma chamber and remelted to help fuel the youngest eruptions
這麼老的鋯石能夠存在最年輕的火山灰中，除非它們是來自最古老的噴發物質，而且這些物質后來塌陷回巖漿庫並再次熔化，以助於點燃最近一次的噴發。
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