松脂岩 の意味 | Babel Free
[ɕo̞ːɕiɡã̠ɴ]定義
- pitchstone
- Equivalent to 'Pitchstone': a natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma
等価語
CEFRレベル
C2
熟達
この単語はCEFR C2語彙に含まれます——熟達レベル。
この単語はCEFR C2語彙に含まれます——熟達レベル。
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