（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