1. minute floating marine tunicate having a transparent body with an opening at each end. 
   身体透明、两端有孔并且有背囊的微小的浮游海洋动物。
2. when unattached to a body and floating about as spirit it is called hwen. 
   脱离人身而四处飘荡时便叫做“魂”。
3. The intersection of vertical lines through the center of buoyancy of a floating body when it is at equilibrium and when it is floating at an angle. The location of the metacenter is an indication of the stability of a floating body. 
   定倾中心当浮体处于平衡状态并与水面成角度时，通过浮体浮力中心的垂直线的交点。定倾中心的位置表明了这一浮体的平稳性
4. A massive floating body of ice broken away from a glacier. Only about10 percent of its mass is above the surface of the water. 
   冰山从冰川分离出的一个庞大的飘浮冰体。它只有10％的体积露出水面
5. The weight or volume of a fluid displaced by a floating body, used especially as a measurement of the weight or bulk of ships. 
   排水吨位，排水量漂浮物体所排的液体的重量或体积，尤用来测量船的重量或体积

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• 1. 浮体
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