ethers民族精神ethern.【U】乙醚；醚；以太；太空ether-alcohol solution醇醚溶液ether narcosis apparatus乙醚麻醉器ether net correspondence以太网通信etherification uniformity醚化均匀度ether air anesthesia unit空气麻醉机ether glycerophospholipid醚甘油磷脂ether-soluble substances醚溶性物质ether-soluble extractive醚溶性浸出物ether-chloroform mixture乙醚-氯仿混合物etherification of polymers高分子醚化