t是toddler的蛋脂惑意思 4t是给48到60个月大的小耀旧孩穿的锈寸 具体细节是 3 months for 0-3 months of age 6 months for 3-6 months of age 9 months for 6-9 months of age 12 months for 9-12 months of age 18 months for 12-18 months of age 24 months for 18-24 months of age 2T for 24-36 months of age 3T for 36-48 months of age 4T for 48-60 months of age 5T for 60-72 months of age