main source meaning in English
主要来源
主源
Examples
- The three main sources of power are coal, oil and water power .
动力的三个主要来源是煤,石油和水力。 - The main source for family reconstitution is the parish register .
重新构画家庭的主要资料来源是教区的记事录。 - Tritium is radioactive and is believed to be the main source of the major traces of 3he found in the atmosphere .
氚是放射性的,并且确信是大气中痕量3He的主要来源。 - Main source of protein and iron in our diet
日常饮食中蛋白质及铁质的主要来源。 - Plants are the main source of atmospheric oxygen
大气中的氧主要是由植物产生的。