secondary sexual character

• 副性征

secondary sexual character的用法和样例：

例句

1. During adolescence, boys and girls will take on secondary sexual characteristics.
   到了青春期，少男少女们会出现副性征。
2. The breast is a secondary sex organ.
   乳腺是属于第二性征器官。
3. As a boy goes through adolescence, his secondary sex characteristics develop.
   作为一个青春期男孩，这是他的第二性征在发展。