1·His mum once gave him a bag of stamps to encourage stamp collecting.
他妈妈有一次给了他一袋邮票,鼓励他集邮。
2·B. Hobbies (1) Stamp collecting.
古董b .业余爱好(1)集邮。
3·They want to organize a stamp collecting club.
他们想组织一个集邮俱乐部。
4·Both swimming and stamp collecting are his interests.
游泳和集邮都是他的爱好。
5·And I hear Abel's main interest is stamp collecting.
并且听说亚伯先生的主要兴趣是集邮。