n.栋梁;屋脊梁
A ridgepole of a country should not only have excellent studies but also have excellent qualities! 一个栋梁之才不仅要有优异的成绩,还应该有完美的素质!
Now I am a student of Tsinghua, some days later, of course ,we would become the ridgepole of our country! 现在我是清华大学的学生,日后,我也将成为一个中国的栋梁!