2013.10.16 word (week6-3)

1.barter (v.)
 to exchange goods, work, or services for other goods or services rather than for money
 ▪We will never barter away our honor .

2.facility (n.)
a skill
 ▪He has great facility in learning languages .

3.ponder (v.)
to spend time thinking carefully and seriously about a problem, a difficult question, or something that has happened
 ▪As I pondered over the whole business , an idea struck me .

4.pinch (v.)
to press a part of someone's flesh very tightly between your finger and thumb, especially so that it hurts
 ▪The new shoes pinch me at the toe .

5.defective (adj.)
not made properly, or not working properly
 ▪He is mentally defective .