noun🔗Share斜長石、長石Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium."The geologist examined the rock sample, noting that the plagioclase crystals within it varied in composition, some being richer in calcium while others had a higher sodium content. "地質学者は岩石標本を調べ、その中の斜長石の結晶が組成において異なり、カルシウムが豊富なものもあれば、ナトリウム含有量が高いものもあることに注目した。geologymineralmaterialchemistrysubstancescienceChat with AIVocabulary GamePractice Reading
