by snatches的用法和樣例：
例句
用作形容詞 (adj.)
- He heard the engineer and fireman climb back into their cab, and caught snatches of conversation about a body being found on the train.
他聽到司機和司爐回到了駕駛室，並斷斷續續地聽到他們在談論車上發現一具屍體的事。 - I have been working at the book by fits and starts during the past five or six years.
近五六年來我一直斷斷續續地寫這本書。
