primary [ˈpraɪmeri]

例句:

• Edward's primary focus was now war with France.
  来自BBC
• His misunderstanding of language was the primary cause of his other problems.
  他对语言的误解是引起其他问题的主要原因。
  
• Britain did not introduce compulsory primary education until 1880.
  直到1880年，英国才开始实行初等义务教育。
  
• It is nearly always women who are the primary care givers.
  从事初级保健护理工作的几乎都是女性。
  
• Barlow acts as the lead singer and primary songwriter.
  来自BBC
• How much sleep does my primary school child need?
  来自BBC
• We consulted only primary sources in our research.
  在我们的研究中,只查询了第一手资料。
  来自《权威词典》
• The primary colors are red, blue and yellow.
  原色是红色、蓝色、黄色。
  来自《权威词典》
• The primary cause of Tom's failure is his laziness.
  汤姆失败的根本原因是懒惰。
  来自《权威词典》