She was glad that there was grass under her feet and that her steps made no sounds.

她很高兴脚下有草，这样她的脚步就没有声音了。

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Even without gadgets that understand our spoken commands, research suggests that, as bizarre as it sounds, under certain circumstances, people regularly ascribe human traits to everyday objects.

研究表明，即使没有能够理解我们口头指令的小工具，在某些情况下，人们也会经常认为日常物品具有人的特性，尽管这听起来很奇怪。

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Sounds of crashing waves under a full moon.

满月下的阵阵涛声。

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Under these conditions, sounds may seem clearer and travel farther.

VOA: special.2010.01.05

The sounds would need to be detectable under a wide range of street noises and other ambient background sounds when the vehicle is traveling under 18 miles per hour.

ENGADGET: NHTSA details new sound requirements for hybrids and EVs travelling under 18 mph

With Rilo Kiley's Under the Blacklight, Lewis sounds more sultry and seductive than ever before.

NPR: Rilo Kiley in Concert

Deborah, there was a truce this afternoon and for the first time since the fighting began, trucks began carrying emergency supplies into the camp, but they almost immediately, it sounds like, came under fire.

NPR: Lull in Fighting Allows Refugees to Flee