Unit 20 New Frontiers
Lesson 3 Scientific Breakthroughs
Compound Words复合词
1．把两个或两个以上的词结合在一起构成新词的方法叫复合法。用复合法构成的词叫复合词。复合词种类繁多，从词性上看有复合介词，复合连词，复合副词，复合代词，复合数词等，而数量最多的是复合名词，其实是复合形容词，再次是复合动词。
2．复合名词
（1）名词+名词
Lipstick, classroom, newspaper, workshop, bookstore, bloodtest
（2）形容词+名词
Highway, dark glasses, easy chair, broadcast, blackboard, freeway, mainland, newcomer, gentleman
（3）副词+名词
Overwork, upgrade, outhouse, outcomer, overcoat, afternoon, inland
（4）动词+名词
Chopstick, pickpocket, breakwind
（5）动词-ing+名词
Readingroom, sleepig-pill, dining-car,swimming-pool
（6）名词+动词
Snowfall, waterway
（7）动词+副词
Break-down, break-through, get-together, breakup
（8）副词+动词
Output, onflow, downfall
（9）名词+介词+名词
Son-in-law, father-in-law
3．合成形容词
（1）名词+形容词
World-famous, homesick, snow-white, worldwide
（2）形容词+形容词
Light-yellow, red-hot
（3）现在分词+形容词
Steaming hot, cold biting
（4）名词+现在分词
Peace-loving, man-eating, earth-shaking, fun-loving
（5）名词+过去分词
Man-made, hand-made, snow-covered
（6）形容词+现在分词
Good-looking, easygoing, hard-working
（7）形容词+过去分词
Half-baked, hard-won
（8）名词+名词+-ed
Chicken-hearted, iron-hearted
（9）形容词+名词+-ed
Short-sighted,warm-hearted,kind-hearted,blue-eyed,simple-minded,cold-blooded
（10）形容词+名词
New-type, everyday
（11）动词+名词
breakneck
（12）副词+形容词
evergreen
（13）数词+名词+形容词
Seven-year-old, eight-foot-high, three-meter-wide
（14）副词+现在分词
Hardworking, far-seeing
（15）副词+过去分词
Well-written, well-known
（16）副词+名词
Outdoor, indoor, underground
（17）数词+名词+-ed
Four-footed, two-faced, three cornered
（18）数词+名词
400-merer,second-hand
4．复合动词
（1）名词+动词
Sunbathe, sleep-walk
（2）形容词+动词
White-wash, blacklist
（3）副/介词+动词
Understand, overcome, overeat, underline
5．合成副词
（1）名词+副词
Head-on
（2）名词+名词
sideways
（3）形容词+名词
meanwhile
（4）副/介词+名词
Inside, downstairs, downtown, outdoors
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