1. letter-box 信箱; 2. mail order 邮购定单; 3. mineral water 矿泉水; 4. mother-tongue 母语; 5. nail varnish 指甲油; 6. news bulletin 新闻公报; 7. pen friend 笔友; 8. pocket money 零用钱; 9. police station 警察分局; 10. post office 邮局; 11. sign language 手语;
