.Barron 3500 PDF和WORD下载，点这里》》　
　　yen N. /渴望;瘾/longing; urge. She had a yen to get away and live on her own for
a while.
　　yield V. /屈服;放弃/give in; surrender. The wounded knight refused to yield to his
foe.
　　yield N. /产出;(投资的)回报/amount produced; crop; income on investment. An
experienced farmer can estimate the annual yield of his acres with
surprising accuracy. alsoV.
　　yoke V. /结合;连接/join together, unite. I don't wish to be yoked to him in
marriage, as if we were cattle pulling a plow. also N.
　　yore N. /往昔/time past. He dreamed of the elegant homes of yore, but gave no
thought to their inelegant plumbing.