primary

We turn now to our primary question.

我们现在转到我们的主要问题上。

The ruling, though it may yet be reversed, sets aside the principle that biology is the primary determinant of parentage.

这一裁决虽然可能会被推翻，但它无视生物学是亲子关系的主要决定因素这一原则。

Irrigation is the primary agricultural use of human waste in the developing world.

在发展中国家，灌溉是人类排泄物的主要农业用途。

Computers are now commonplace in primary classrooms.

计算机如今在小学教室里很普遍。

Primary schooling became universal only in the 1990s.

小学教育直到20世纪90年代才普及。

The decline led to a 4 percent increase in the number of kids who left primary or middle school in 2009, said Juan de Dios Castro, who heads the nation's adult education program and keeps a close watch on drop-out rates.

哥伦比亚成人教育项目的负责人Juan de Dios Castro正在密切关注辍学率。他说，这一数值的下降导致2009年中小学的辍学儿童人数增加了4%。

The disease is still in its primary stage.

这病尚处于初始阶段。

These patients had been operated on for the primary cancer but there was evidence of secondary tumours.

这些病人曾因原发性癌症做过手术，但是又有了继发性肿瘤迹象。

"It's an important, cautionary note that we shouldn't get too carried away with the idea that a computer system can replace doctors and therapists," says Christopher Dowrick, a professor of primary medical care at the University of Liverpool.

“这是一个重要的警告，我们不应该被计算机系统可以取代医生和治疗师的想法冲昏头脑。”利物浦大学（University of Liverpool）初级医护教授克里斯托弗·多里克（Christopher Dowrick）说。

The department is the primary working unit of company.

部门是公司的基本工作单位。