in a pair短语³⁵⁹⁴⁸ 基本例句 成对 They claim it can dramatically reduce the need for reading glasses in those who already wear them, as well as put off the day on which others need to invest in a pair. 他们声称，它可以显著地降低已经戴眼镜的人们对眼镜的依赖，同时也能推迟其他需要戴眼镜人购买眼镜的时间。 huanqiu