primary造句
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。
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。