悠悠出生以后的第一次生日。
研究、诊断和治疗儿童自出生以后的内科疾病，包括青少年。
Investigates, diagnoses and treats internal diseases and disorders in children from birth up to, and including, adolescence.
他习惯了妻子无微不至的关心，这种关心在孩子出生以后将不可避免地减少。
He is used to a lot of attention from his wife, which will inevitably lessen when the baby is born.
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