1.A new study says today's teenagers are growing up more slowly than previous generations.
grow up長大;成熟
All plants like to grow up toward the sunlight.
所有的植物都喜歡朝著陽光向上長 。
2.Researchers said that compared to teenagers from the 70s, 80s and 90s, today's teens, "are taking longer to engage in both the pleasures and the responsibilities of adulthood".
compared to與…相比,跟…相比
His legs were pitifully thin compared to the rest of his bulk.
他的雙腿和他龐大身軀的其他部分相比瘦得可憐 。
3.Professor Jean Twenge said: "The whole developmental pathway has slowed down."
slow down(使)慢下來;(使)生產緩慢
The car slowed down as they passed Customs.
過海關的時候,車速慢了下來 。