火花塞电极镍合金
The answer is zero not a shilling, not a plug nickel, not even a Eurocent.
FORBES: Why A Piece Of Pristine Coral Is Like A $20 Bill
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。