当日结束时美元汇率略有下降。

The dollar finished the day slightly down.

《牛津词典》

自2005年中人民币与美元汇率脱钩以来，人民币兑美元汇率已上升约13%，但人民币兑欧元汇率则有所下降。

The renminbi has risen by about 13 per cent against the dollar since it was depegged from the US currency in mid-2005, but it has weakened against the euro.

youdao

这一人群的平均家庭收入由$53，700下降为$44，900（按2006年美元汇率计算）。

The average household income for this group has actually declined—from $53,700 (in 2006 dollars) to $44,900.

youdao