There was a sad, absent look on both faces, especially on louisa's .

两张脸上都呈现出一种悲伤的，茫然若失的神色，尤其是露伊莎。

youdao

For edge joining, the mating surfaces must be flat and square to both faces of the board.

对于边的连接，对接面必须平整、方正(和相邻两面垂直)。

youdao

Decorative overlays are applied to both faces, resulting in a complete solid and bonded structure.

在层板双面的上层都覆盖装饰面，形成一个完全结实黏合的整体。

youdao

Even if U.S.economic output expands in 2010 and more Americans head back to work, both critics and supporters of the president say the nation faces a more serious challenge to future economic viability: a rapidly growing deficit and a national debt estimated at more than $12 trillion.

VOA: standard.2010.01.15

I think both of us would love to see your smiling faces, or at least your faces, even if you're not smiling at us every day.

我觉得我们俩都想,看到你们微笑的脸，或者至少是你们的脸，即使你们不是每天都朝着我们俩笑。

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I see it both on your faces.

从你们的表情里,我两者都看到了

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He left a pregnant pause that gave enough time for the camera to cover both faces.

FORBES: An Unexpected Way to Become the Top Choice

In order to get others to follow you, both faces of leadership must be in evidence: Nurture those traits that success requires of you personally, like courage, perseverance, faith, commitment, etc.

FORBES: How Compelling Is Your Leadership Product

The latest member of the family looks just like its siblings: a pocket-size, clamshell-hinged brick of plastic, with screens on both inside faces.

FORBES: Magazine Article