...eight-to-nine-year-olds in their third year at primary school.
上小学三年级的八九岁的孩子
Greenside Primary School.
格林赛德小学
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。