* mass:Public celebration of the Eucharist in the Roman Catholic Church and some Protestant churches(罗马天主教教堂和一些新教教堂举行的领取圣餐的公共庆祝活动), 弥撒.mass还有质量的意思, 在爱因斯坦著名的公式E=mc2里的m就是mass, .

* customs: 风俗, 关税. 中国海关: China Customs. 爱斯基摩风俗: Eskimo customs.

●作业: (今天奖励, 安迪送你圣诞礼物)

1. It is said that in the year of 300 AD, there was a kind old man and his name was Saint Nicholas. He was always ready to help the poor and often gave presents to them.

2. Today, Father Christmas is an imaginary figure, but nearly all young children believe in him. They think he is a happy old man with a long white beard and a long red robe.

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