dad said， how do you feel?"可不敢手碰呀，"the worker s uncle is really hard; it s not easy to burn the heating." i blurted out.有啥感受沒有？這么不容易，dad nodded approvingly.我很幸運地參觀了學校的鍋爐房，two old workers are busy working because it s very hot.工人伯伯真辛苦，what a fire in the bo