heavy burden的用法和樣例：
例句
- She shouldered a heavy burden of teaching and supervision, now reflected in the growing achievements of a brilliant galaxy of pupils.
她過去曾肩負著教學與監督的重任，現在這效果在一群優秀的學生的日益增長的成就中反映出來。 - He bear a heavy burden.
他承受了重擔。 - Before the democratic reform in Tibet, the people there were laid heavy burden on.
在民主改革以前，西藏人民肩負著沉重的負擔。
