常見(jiàn)例句noun [ C or U ]When I was studying for my exams I used to clean the house as a displacement activity. 我在準(zhǔn)備考試時(shí)常常會(huì)通過(guò)打掃房間來(lái)拖延學(xué)習(xí)時(shí)間。 返回 displacement activity