Waiters serve us food and drinks and postmen deliver letters.餐馆服务员供应我们食物,邮政人员给我们送信.The dog has nipped the postmen on the leg.这条狗咬了邮递员的腿.Where do these people work? In the post office. They are postmen.这些人在哪儿工作? 在邮局. 他们是邮...
Marco Polo is said to have sailed on the Pacific on his way to Java in the thirteenth century.据说，13世纪时，马可·波罗在去爪哇岛的途中在太平洋上航行过。It was still producing very considerable results in the thirteenth century.它在13世纪仍然产生非常重要的后果.Th...