[ C ] symbol ¥ the standard unit of money used in Japan日元
She earns 400,000 yen a month as an English teacher in Tokyo.她在东京做英语老师,每月薪水40万日元。
the yen [ S ] the value of the yen, used in comparing the values of different types of money from around the world(相对于其他货币的)日元(价格)
The yen fell/rose against (= was worth less/more compared to) the dollar today.今天,日元对美元价格下跌/上升了。