胸膛: chest...
营养: nutrition, nourishment...
写字台: writing desk...
歉意: apology, regret...
大纲: synopsis, outline, program, leading principles...
有朝一日: one day, sometime in the future...
勤奋: hardworking, diligent...
快: fast, quick, swift...
特点: characteristic (feature), trait, feature...
山顶: hilltop...