wrap back的用法和樣例：
例句
- He cast the line suddenly just like throwing it into the water and then reeled it back.
他把線突然拋出，就像扔進水中一樣，然後把線繞回。 - Once again he turned back to Xi'anmen Gate, this time with no thought of delay, meaning to go straight to the office to find her.
他又繞回西安門來，這次他不想再遲疑，要直入公堂的找她去。
