Unit 2 I think that mooncakes are delicious!Language points and summary1. stranger n. 陌生人(可数名词) strange adj. 陌生的,奇怪的 e.g. Dont talk to strangers. 不要和陌生人说话。 There is nothing strange in the room. 房间里没有奇怪的东西。2. relative n. 亲属,亲戚 (可数名词) e.g. They have a lot of relatives. 他们有许多亲戚。3. put on 增加(体重);发胖;穿上 e.g. Theyve put on five pounds. 他们体重增加了5磅。 Its cold outside. Please put on your coat. 外面冷,请穿上大衣。4. pound n. 磅;英镑(可数名词)e.g. The desk weighs 5 pounds