reach back的用法和樣例：
例句
- I asked him to reach back and try to recall his sufferings in the old society.
我要他回憶一下，把他在舊社會(huì )受過(guò)的苦回憶一遍。 - This custom can reach back Tang Dynasty.
這個(gè)風(fēng)俗可追溯到唐朝。 - She looked back over a distance of ten years.
她回顧過(guò)去十年的時(shí)間。 - She never looks back to the old days with regret.
她從不懷著(zhù)悔恨的心情回顧過(guò)去。
