閣下知唔知「social development」點讀？
詞彙「social development」仲等緊下列語言嘅發音:

• 為「social development」錄製發音 social development   [en - uk]
• 為「social development」錄製發音 social development   [en - usa]
• 為「social development」錄製發音 social development   [en - other]