slight的副詞形式？

　　The pound closed slightly down at $1.534.

　　英鎊的匯價略跌，收盤時為1.534美元。

　　The dollar finished the day slightly down.

　　當日結束時美元匯率略有下降。

　　All our sale items are slightly imperfect.

　　我們所有的廉價商品都稍有缺陷。