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We’ve built two nuclear power works in our city. species: This is a species of orange. He caught many species of snakes. 7)只有復(fù)數(shù)的名詞 glasses: Your glasses are on your nose. trousers: My new trousers are too long. clothes: These clothes are a little too expensive. noodles: Wanzhou noodles are very delicious. 8)集合名詞的單復(fù)數(shù) 指整體為單數(shù);指成員為復(fù)數(shù) family。 humans) mouse—mice ox—oxen phenomenon—phenomena tooth—teeth woman—women 1)單數(shù)型,單、復(fù)數(shù)同型名詞 a dear—five deer a sheep—five sheep a fish—five fish ( a fish—five fishes表種類 ) a Chinese—five Chinese a Japanese—five Japanese a Swiss—five Swiss 2)以漢語音譯為單位的詞無復(fù)數(shù) a li—five li。 cliffs。 gulfs。 roofs。 wolf—wolves。 thief—thieves。 knife—knives。 tomatoes o結(jié)尾的名詞可加 s, es的名詞 zeros。 watches 但 stomach的復(fù)數(shù)為 stomachs ( 2) 輔音字母加 o結(jié)尾的名詞 heroes。 boxes。 sh。 pianos es的名詞 (1)以 s。 two Germanys (2) 輔音字母加 o結(jié)尾的名詞 tobaccos。 (二)名詞詞類的轉(zhuǎn)換 個體名詞 → 抽象名詞 Our school is not fat from my home. School is over at four in their country. She held some flowers in her hand. The tress are now in flower. 2) 1) 2. 物質(zhì)名詞 → 個體名詞 Iron is a kind of metal. Please lend me your iron, will you? He broke a piece of glass while cleaning. He broke a glass at the party and was scolded by his mother. 1) 2) 3. 抽象名詞 → 個體名詞 1) Youth is beautiful and we must value it. 2) He is a youth of twenty but he has made great achievement. → 物質(zhì)名詞 1) I bought a chicken this morning. 2) Please help yourself to some chicken. 3) I have an egg for breakfast with some milk every morning. 4) Egg is my favorite dish and I don’t like