That partial vacuum means that air has to flow upwards to keep that wing afloat.
那部分真空意味着空气必须向上流动以保持翅膀漂浮在空中。
单词 | partial vacuums |
例句 |
原声例句
连线杂志 That partial vacuum means that air has to flow upwards to keep that wing afloat. 那部分真空意味着空气必须向上流动以保持翅膀漂浮在空中。 连线杂志 Air flows over the tear and under the tear, creating a partial vacuum on top of the wing. 空气流过裂缝上面和下面在翅膀顶部产生部分真空。 Crash Course Physics 速成课物理 The lower temperature also lowers the pressure, creating a partial vacuum that makes the piston move back into its original position. 最低温度降低压力,创造 部分真空使活塞返回其位置。 SciShow 合集 But this test wasn’t a perfect one, because open air testing can’t replicate the partial vacuum you’d find in a real hyperloop tube. 但是这个测试并不完美,因为露天测试无法复制您在真正的超级高铁管中发现的部分真空。 SciSHow 快问快答小科普 And that’s because we all have complete cheeks, which means we have muscles and tissues that let us seal our mouths and create a partial vacuum. 那是因为我们都有完整的脸颊,这意味着我们有肌肉和组织可以让我们闭上嘴巴并产生局部真空。 Crash Course Physics 速成课物理 It keeps bobbing back and forth for a while, and as the water evaporates, it cools the vapor in the bird's head, which condenses into liquid, creating a partial vacuum in the head. 它继续上下一段时间,当 水蒸发,冷却蒸汽。 |
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