The star might even be shrinking as it cools, causing various elements to float into the atmosphere or sink to the bottom — with that glittery zirconium layer front and center.
这颗星在冷却后甚至会塌陷，导致不同元素飘浮于大气圈中或者沉积于底部，即闪烁的锆元素层表面或内部。
The float shoe also guides the casing toward the center of the hole to minimize hitting rock ledges or washouts as the casing is run into the wellbore.
当下套管时，浮鞋同样能够引导套管到井眼中心，减少套管对岩石突起或者井眼冲刷段的撞击。
In addition to the state-of-the-art trains and station facilities, a new park space will float above the rail station to connect Cleveland Convention Center to the Lake Front station.
除了高科技的火车和火车站设施，一个新的停车场横跨在火车站之上，连接了克里夫兰会议中心和湖前火车站。
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