上层的用英语怎么说？

上层的

• [医] supernatant

例句

• The shirts go in the top drawer. 衬衫放在最上层的抽屉里。
• A hall ran the length of the upper floor of the house. 走廊的长度等于房子上层的长度。
• The extravagant brand is strata consumer goods secondly, as far as sociology significance be concerned. 其次, 就实会学意义而言,奢侈品牌是上层的消费品.
• ...the diligent and discreet technocrats who populate the upper reaches of French power. 占据法国政权上层的勤勉、审慎的技术专家型官员
• The top drawer held a miscellany of foreign coins and banknotes. 最上层的抽屉装着各式各样的外国硬币和钞票。