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Dyclonine is a local anesthetic usually used in the field of dentistry .

达克罗宁是一种通常被用在牙科业领域的局部麻醉剂。

Over time , as the anesthetic is passively eliminated from the system , the patient comes back up .

随着时间推移，随着麻醉剂慢慢在神经系统中被分解，病人恢复知觉。

Scores for rabbits tattooed without anesthetic averaged four after the procedure , whereas before treatment , after sham treatment and after treatment with a local anesthetic scores averaged less than two .

兔子在没有麻醉的情况下纹身后的平均得分为四分，而纹身前，假纹身后和在局部麻醉的情况下纹身的平均得分均低于二分。

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 .

尽管这两种麻醉剂几乎在同一时间（19世纪40年代）被开发出来，氯仿由于生效快和不可燃性使其被更广泛的应用起来。

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。