ultrahard

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Extremely hard; of utmost hardness.
  2. harder than diamond, harder than 150GPa resistance not-comparable

词形变化

more ultrahard comparative most ultrahard superlative

词源

词源 1
Etymology tree
English ultra-
English hard
English ultrahard
From ultra- + hard.
词源 2
Etymology tree
English ultra-
English hard
English ultrahard
From ultra- + hard.
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