A calf is a young cow. A young female cow, especially one that has not yet had a calf, is called a heifer: H-E-I-F-E-R.
VOA : special.2009.07.21
"F-E-A-R for Financial reform, Energy woes,Asian tensions and Recessionary concerns.
VOA : standard.2010.05.25
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。