1·At last, Harper deigned to speak.
哈珀终于降低身价，开口说话了。
—— 《柯林斯英汉双解大词典》
2·Harper was a teacher by profession.
哈珀的职业是教师。
—— 《柯林斯英汉双解大词典》
3·Good God, it's Mr. Harper!
天哪，是哈珀先生！
—— 《柯林斯英汉双解大词典》
4·"Fish have a refuge in the streams and can expand into the lagoons when the lake is low and the lagoons are separate," Harper said.
“鱼在溪流中有一个避难所，当湖处在低处且泻湖分开时，它们可以扩张进入泻湖。”哈珀说。
5·"Flamingos have evolved very leathery skin on their legs so they can tolerate the salt water," says David Harper, a professor at the University of Leicester.
莱斯特大学教授戴维·哈珀表示：“火烈鸟的腿上已经进化出了非常坚韧的皮肤，这样它们就可以忍受盐水。”