虽然这两种麻醉剂在这时都已成熟（19世纪四十年代），但是氯仿很快出现并被广泛应用因为它起效快并且不易燃。
Though both anesthetic agents were developed around the same time (the 1840s), chloroform soon emerged as the more widely used, as it took action faster and was non-flammable.
虽然这两种麻醉剂在这时都已成熟(19世纪四十年代)，但是氯仿很快出现并被广泛应用因为它起效快并且不易燃。
Though both anesthetic agents were developed around the same time (the 1840s) chloroform soon emerged as the more widely used as it took action faster and was non-flammable.
环丙烷一种极易燃易爆的无色气体，C3H6，有时用作一种麻醉剂。
A highly flammable, explosive, colorless gas, C3H6, sometimes used as an anesthetic.
乙烯一种无色易燃气体，C2H4，可从天然气和石油中获得，用作许多有机化合物的来源，用于焊接和切割金属，柑桔属水果的着色，以及用作麻醉剂。
C2H4, derived from natural gas and petroleum and used as a source of many organic compounds, in welding and cutting metals, to color citrus fruits, and as an anesthetic.
乙烯一种无色易燃气体，C2H4，可从天然气和石油中获得，用作许多有机化合物的来源，用于焊接和切割金属，柑桔属水果的着色，以及用作麻醉剂。
C2H4, derived from natural gas and petroleum and used as a source of many organic compounds, in welding and cutting metals, to color citrus fruits, and as an anesthetic.
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