When the top head is struck the snares vibrate against the bottom head producing a cracking sound.

当顶部的圈套击中头部震动对底部产生开裂音头。

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Convenient range adjustment is set in manually operation. The whole machine adopts channel bottom head for convenient carrying and maintenance.

手动调距，操作方便，整机采用通底盘、搬运维修方便。

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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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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