"13岁"的英语说语音是"thirteen years old"。"thirteen"是英语中13的读音，来源于古英语"þrittene"，"years"是"年"的意思，"old"是"年龄"的意思。
例句1:
Engpsh: "He is thirteen years old."
Chinese: "他13岁。"
例句2:
Engpsh: "She will be thirteen years old next month."
Chinese: "下个月她将13岁。"
例句3:
Engpsh: "At thirteen years old, he is already taller than his father."
Chinese: "13岁时，他已经比他父亲高了。"