bottom head

基本解释

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。
This directs a waveform toward the floor, which bounces back up and interacts with the vibrating bottom head to cancel or emphasize certain frequencies.
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。
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。
bbs.sun-tribe.com

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.
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。
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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.
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With FNSR I do see a bit of a reverse Head and Shoulders bottom here.
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