1·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。
2·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)。
3·Then, press the "blend" button to blend them! The result is a funny mixture of both faces.
然后按下“混合”，一张有趣的脸就会出现。
4·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。
5·The leaf consists of a thin, flat, three-layered silicon solar cell with catalysts bonded to both faces of the silicon.
叶子是由一块薄薄的、扁平的、分三层的硅太阳电池组成，硅的两面都涂有催化剂。
6·When I look at this face of mine, it reminds me a face beside me. How I wish I could see both faces in the mirror at once.
一看自己这张脸，就想起旁边的另一张脸，真希望镜子里会同时出现这样的两张脸。
7·The utility model has the advantages of simple structure, easy use, lower cost, and clearly reading of the temperature between 35 DEG and 70 DEG both faces.
本实用新型的优点是结构简单，在35度至70度之间的温度显示可以正反两面清晰读出，使用方便，生产成本较低。
8·Yet reflection on what a genuine Buddhist spirituality truly requires, makes it clear that both faces of the Dhamma are equally authentic and that both must be taken into account.
然而在思考了真正的佛教精神必须具备的因素之后，很清楚，佛法的两个面貌都是真实的，必须同时兼顾。
9·Tears poured down both our faces.
眼泪在我们两人脸上哗哗地流。
—— 《柯林斯英汉双解大词典》
10·Depending on your needs, you can tell M3G to render only the front faces, only the back faces, or both.
根据具体的需求，您可以要求M3 G仅渲染正面、仅渲染背面或同时渲染两面。