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On the other hand , there were higher risks associated with chloroform than with ether , and its administration required greater physician skill .

另一方面，氯仿相对乙醚而言有着更高的风险，需要更高技巧来使用。

After watching his colleague horace wells unsuccessfully promote nitrous oxide as an anesthetic , morton concentrated on the possibility of ether .

在观看了他的同事horacewells对二氧化氮推广的失败，morton专注于研究乙醚的作为麻醉剂的可能性。

Now they reside somewhere out there in the ether .

现在，它们则栖息在以太空间的某个地方。

Do not the spirits who dwell in the ether envy man his pain ?

栖身苍穹的精灵们不也很羡慕凡人的痛苦吗？

By the time the american civil war broke out in 1861 , both ether and chloroform had been in use for several years as methods of surgical anesthesia .

至1861年美国内战爆发，乙醚和氯仿已经被应用于外科麻醉许多年了。