这些激素-女孩分泌雌激素和黄体激素，男孩分泌雄激素-引起了青少年身体的变化。
These hormones -estrogen and progesterone in girls and testosterone in guys -cause physical changes in the body.
这些激素-女孩分泌雌激素和黄体激素，男孩分泌雄激素-引起了青少年身体的变化。
These hormones — estrogen and progesterone in girls and testosterone in guys — cause physical changes in the body.
这些激素-女孩分泌雌激素和黄体激素，男孩分泌雄激素-引起了青少年身体的变化。
These hormones — estrogen and progesterone in girls and testosterone in guys — cause physical changes in the body.
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