The yen has fallen to an all-time low against the dollar.

日元对美元的比价已跌至空前的低点。

《牛津词典》

An increased supply of yen relative to that of other currencies pushed down its price.

于是相对于其他货币的供给日圆则相对较充裕，这就压低了它的价格。

youdao

Economists point out that an appreciation of the yen did little to help reduce America's trade deficit with Japan in the 1980s.

经济学者指出，日元升值实际上对于美国减少1980年代对日本的贸易赤字并无帮助。

youdao

I should mention that Yen is a PhD student in Biomedical Engineering and Serge is an M. D. /PhD student who's getting his PhD in Biomedical Engineering.

我要说的是,叶是生物医学工程的博士生,斯吉是医学和生物医学工程的双学位博士,他博士的研究方向是生物医学工程

耶鲁公开课 - 生物医学工程探索课程节选

Eviscerating the BOJ as hinted at, would cause an upending of the Yen and an economic shock wave sent around the world.

FORBES: The Economic Wild Cards For 2013

Of course they enjoyed some advantages along the way too, not least an undervalued yen in the decades before the 1985 Plaza Accord.

FORBES: Japan's Automakers Face New Challenges (1): Toyota in China

Backed by an historically strong yen, Itochu has been active in acquiring new brands and new markets through acquisitions.

FORBES: Itochu Acquiring Dole's Asian Business, Leading a Surge in Japanese Offshore M&A, But the Dispute with China Looms