I was grovelling under the sofa, trying to find my contact lens.我正爬到沙发底下找我的隐形眼镜。He rinsed the contact lens with saline solution.他用盐水清洗隐形眼镜片。He was on his hands and knees, looking for a contact lens.他跪趴在地上寻找一片隐形眼镜。The mascara is suitable for contact lens wearers.这种睫毛膏适用于戴隐形眼镜的人。