A minority of children are sexually active before they are in their teens.
少数孩
几岁前已有性行为。
几岁
三至
九数字(或号码)

词A minority of children are sexually active before they are in their teens.
少数孩
几岁前已有性行为。
Though still in his teens, Tom is shrewd at a bargain.
虽然汤姆才
多岁, 可是讨价还价却很在行。
His son is in his teens.
他的

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.
在这部邪恶的短片中少年人的忧虑导致了血腥的结果。它是对美国中产生活的批判。
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