两者之间;
A minority of children are sexually active before they are in their teens.
少数孩子十几岁前已有性
为。
；青少时期（指从 13 岁到 19 岁）
；
青少完成A minority of children are sexually active before they are in their teens.
少数孩子十几岁前已有性为。
Though still in his teens, Tom is shrewd at a bargain.
虽然汤姆才十多岁, 可是讨价还价却
。
His son is in his teens.
他
儿子十几岁。
Teen angst is taken to a bloody finale in this badly written and directed short. It's a critique of middlebrow American life.
这部邪恶短片中少
人忧虑导致了血腥结果。它是对美国中产生活批判。
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