olds是什么意思,olds怎么读,
of old古时的;从前
years old…岁(年龄)
2.Finland provides three years of maternity leave and subsidized day care to parents, and preschool for all five-year-olds.
芬兰为父母提供3年的产假和日托补贴,并为所有5岁儿童提供学前教育。
3.Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.
玛丽亚·德鲁伊科娃是“自然数学”的创始人之一,她曾向5岁的儿童教授基础微积分概念。