three years old ;

Children don't complete their set of 20 baby teeth until they are two to three years old.
小孩要到两三岁才会长齐20颗乳牙。
来源:《柯林斯高阶英汉双解学习词典》They'll have kids who are two, three, who are manipulating them into buying toys.
他们会碰到两三岁的孩子缠着他们买玩具。
来源:词典精选例句" Here is a child of three years old, and she cannot tell who made her!
“ 这是个三岁的孩子, 可她根本说不出是谁造出了她!
来源:英汉文学 - 红字She was a widow in her early thirties , clean, straightforward, energetic and meticulous.
她是三十二三岁的寡妇, 干净, 爽快, 做事麻利又仔细.
来源:汉英文学 - 骆驼祥子
简答网 · 双语新闻

简答网 · 双语新闻

简答网 · 英语词汇

简答网 · 双语新闻

简答网 · 双语新闻

简答网 · 双语新闻