当它们需要转向的时候，它们会向一边略高地倾斜翅膀，这几乎不花费能量却能保持高度不变。
When they neededto turn, they would tilt their wings to bank higher, preserving the lift andusing almost no energy.
搅拌器，也叫“恐慌”，的动作指的是带着横滚的垂直俯冲，然后马上接能够保持高度不变的水平自旋。
The Blender, or Panic maneuver is a vertical diving roll that virtually stops its descent as it instantaneously enters into a flat spin.
身体感到热，可体温保持在升高后的新高度上差不多稳定不变。
The body feels hot and the temperature remains more or less constant at the new elevated level.
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