1. But as a woman's power is still strongly perceived to be tied up with the ability to bear children, ageing demonstrates to the world her decline, her uselessness for her primary function.
    但由于女性的本领仍在很大程度上被看作与生育能力密切相关，年龄增长向世人显示的是她的衰老，就她的首要作用而言她已无用了。

2. The primary grades in school are grades one through three.
    学校的低年级是一年级到三年级。

3. His studies with rats have demonstrated two primary effects of activity: vigorous physical exercise provides the brain with more fuel, and skill-based exercise increases the formation of connections in the brain, which, according to the proposals of
    他对老鼠的研究已经表明运动具有两大功效：强力体育运动给大脑提供更多的燃料，而技巧性的运动则增强大脑神经的联结。依照某些科学家的见解，这种联结能使大脑更好地处理信息。

4. Primary school teachers are demanding parity with those in secondary schools.
    小学教师要求与中学教师同酬.

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