英文: Good habits grew from childhood.
中文: 好习惯是从小养成的。英文: Memories go back to childhood,
中文: 记忆将我带回美好的童年,英文: Tom was my childhood playmate.
中文: 汤姆是我童年的玩伴。英文: She has a happy childhood.
中文: 她有一个快乐的童年。英文: Sibling effect and childhood asthma.
中文: 同胞效应与儿童哮喘的关系探讨