tephra

名词 n.
中文释义
英 /ˈtɛ.fɹə/    美 /ˈtɛ.fɹə/

英文释义

名词 n.
  1. The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas. countable,uncountable
    — The sky would have darkened with sheer volume of ash, the grapes would have withered upon the vine; misfortune would have fallen with the inexorability of volcanic tephra upon rich and poor alike.

词形变化

tephras plural

词源

From the Ancient Greek τέφρα (téphra, “ash”).
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