back fall的用法和樣例：
例句
- Feeling like a complete wimp for ever having asked, I set off back up the slope.
我這么問(wèn)了后，感覺(jué)自己就像廢物，只能重新出發(fā)回到山坡上。 - It was at midnight that Ichabod began to go back on horseback along the sides of the hill.
當伊卡伯騎上馬開(kāi)始沿著(zhù)小山坡回家時(shí)，已是午夜時(shí)分了。
詞匯搭配
- fall back on 求助于
- fall back upon 有 ... 可以依靠...
- fall back 后退
