短语词组短语a pound of tea 一磅茶a pound of potatoes 一磅土豆half a pound of 半磅a pound of beef 一磅牛肉A Pound of Paper 一磅纸一个嗜书者的告白a pound of butter 一磅黄油;一磅奶油a pound of tomatoes 一磅西红柿a pound of meat 一磅肉 返回 a pound of