second,第二的，-ary,形容词后缀。

1. More than five-thousand secondary school students have been expelled for cheating.

5,000多名中学生因为作弊被开除。

2. He had kidney cancer, with secondary tumours in the brain and lungs.

他患有肾癌，还有脑部和肺部的继发性肿瘤。

3. One in four pupils leaving secondary school can't read or write properly.

中学毕业生中有1/4的人读写有问题。

4. The secondary current sets up a magnetic field inside the tube.

二次电流在管子内部会产生磁场。

5. Entrance to universities and senior secondary schools was restricted.

进入大学或高中的资格受到限制。