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来源：百度知道 编辑：UC知道 时间：2024/05/17 09:15:55
Have you ever thought about your body changes? Up to about the age of eight or nine, girls and boys look quite alike. They have similar shaped bodies and their voices sound almost the same. As they grow, all their organs (器官 ) grow, too.
After the age of ten, often at eleven or twelve, boys' and girls' bodies start changing. The changes mean their bodies are getting ready to have children when they're older.
The changes don't happen to everyone at the same time. Each person has his or her own body-changing timetable. By the time they're eighteen, they should be complete. Girls start changing some years sooner than boys. Until they're fifteen or so, they grow faster than boys of the same age. As years go by, boys catch up and grow taller and stronger. Girls grow taller and heavier as well, their faces and breasts ( 胸部) become fuller. As well as all the changes you can see happening, other important changes that you can't see are happening in

Have you ever thought about your body changes?
你曾有考虑到关于你身上的变化吗？
Up to about the age of eight or nine,
在8，9岁的时候
girls and boys look quite alike.
女孩和男孩看上去几乎一样。
They have similar shaped bodies and their voices sound almost the same. As they grow, all their organs (器官 ) grow, too.
他们有着相似的体形，而且他们的声音听起来也似乎一样，当他们成长，他们的所有器官也跟着成长。
After the age of ten, often at eleven or twelve, boys' and girls' bodies start changing. The changes mean their bodies are getting ready to have children when they're older.
女孩们的身体开始变化。变化意味着她们的身体准备着为他们长大后生孩子。
The changes don't happen to everyone at the same time.
变化不是同时会在每个人身上发生的。
Each person has his or her own body-changing timetable.
每个人都有他（她）自己的身理周期表。
By the time they're eighteen, they should be complete.
当他们十八岁的时候，他们应该长大了。
Girls start changing some years sooner than boys.
女孩们开始变化的年数要慢于男孩们。
Until they're fifteen or so, they grow faster than