truancy discipline self-discipline enlightening formative years botany astronomy cultivate foster nurture promote the students physical psychological soundness well-being welfare give the students motivation to do something motivate the students to do something adolescence impart inculcate knowledge instill high moral values give the students inspiration students grasp or command of what has been taught

　　逃學(xué) 學(xué)科 紀(jì)律 自制力 很有啟發(fā)的 成型的階段 植物學(xué) 天文學(xué) 培養(yǎng) 促進(jìn)學(xué)生身心發(fā)展 給學(xué)生動(dòng)力 傳授知識(shí) 灌輸高尚的道德觀 給學(xué)生靈感 學(xué)生對(duì)老師所教知識(shí)的掌握