读音相同，都含有/?/音。Not long after that he resigned.
那以后不久他就辞职了。
She was paroled after two years.
她两年后获假释。
He did push-ups after games.
他在赛后做了俯卧撑。
I'；ll do my homework after supper.
晚饭后我要做家庭作业。
The class reassembled after lunch.
午饭后，全班同学又集合起来。Winter in the north is very cold.
北方的冬天十分寒冷。