We hope to build four by Christmas, including a "wave wall" with earth-bagged sleeping pouches nestled along the troughs.

我们希望能在圣诞节前建成四座建筑，包括一座由像睡袋那样的泥土口袋在低处垒起的防波墙。

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Palestinians bitterly complain about Israel's security barrier, or wall, surrounding Bethlehem, which was built in response to a wave of suicide bombings a few years ago.

巴勒斯坦人愤怒地抱怨以色列在伯利恒周围建立的安全屏障，这个围墙是几年前为了应对自杀性爆炸袭击的猛增而修建的。

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The boundary between the two areas acts as a wall, capable of reflecting a guided EM wave on the graphene much like one would in a three dimensional space.

两个区域的边界就像是一堵墙，能反射被引导的电磁波； 这和三维空间中的墙是类似的。

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The moving wave-wall carried Les about 5 meters upwards, to first-floor level, where he grabbed a post.

CNN: Survivor's tale: This is surreal

PHUKET, Thailand (CNN) -- What do you do when you see a huge wave-wall coming at you?

CNN: Survivor's tale: This is surreal

At least three major wireless protocols -- INSTEON, ZigBee and Z-Wave -- vie for adoption in wall switches for lighting.

ENGADGET: Switched On: The roads to home automation