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科学

1.When an object is immersed in the water, the water exerts an upward force called upthrust on the object in question.

当一物体浸入水中时,水会对该物体施加一向上的力,即向上的推力。

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2.And it was near the island's southern tip–the tip jutting into the harbor–that the colossal upthrust had been greatest.

而且,岛屿的南端——伸入港口的尖端——,巨的上升推力最机翻

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