Consider a floor Tom mounted in a standard vertical orientation: With a hardwood floor, when the player hits the drum the bottom head vibrates sympathetically.

考虑到落地桶鼓是在标准垂直方向上：如用木地板，当鼓手击鼓，下面的鼓皮也要跟随着震动。

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With the tom set up vertically, sound waves hit the floor and bounce back into the bottom head. Angling a tom slightly causes sound waves to scatter, and diffuses them.

这个直接向着地板去的声波将被反弹上来并且会对 底面鼓皮的震动造成相消或加重某些频率的影响。

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There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish.

在海底中生活着一种琵琶鱼，它的头顶有一根突出的杆，带有用来捕获其他鱼类的诱饵。

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That is why doctors advise people to perform monthly exams of all areas of skin, from the top of the head to the bottom of the feet.

VOA: special.2010.07.06

There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish to fool them in thinking that this is something edible and then to themselves be devoured.

在深海中生活着琵琶鱼,这种鱼的头顶会长出鱼竿状的长刺,用于引诱和捕获其他鱼类,让它们误认为那是食物,然后它们自己就被吃掉了。

耶鲁公开课 - 心理学导论课程节选

At the bottom of the Knotty Head hole, the 450-degree-Fahrenheit temperature and the pressure (2, 000 times atmospheric) would crush or melt most drilling tools.

FORBES: Magazine Article

St Mirren remain three points off the foot of the table and head to bottom side Falkirk next week, but MacPherson is not overly concerned about a relegation battle.

BBC: St Mirren manager Gus MacPherson

But he struck his head on the bottom and broke his neck while diving in.

BBC: Former RAF man wins right to sue MoD over game injury