只要容器中仍然有足够的空气使它能浮起，它就能漂浮。
While there is still sufficient trapped air within the container to keep it buoyant, it will float.
当他游泳时很咸的水使他漂浮起来。
这个空间倾向于使带负电荷的离子（例如那些CO 2 离子）向上空浮起。
This field tends to make negatively charged ions, such as those of CO 2 , drift upward.
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