单词	gramicidin
释义	gramicidin /ˌɡramɪˈsʌɪdɪn / noun [mass noun] Medicine An antibiotic with a wide range of activity, used in many medicinal preparations. This antibiotic is obtained from the bacterium Bacillus brevis. Her general practitioner had treated it unsuccessfully with neomycin and gramicidin ointment and oral flucloxacillin and metronidazole.... In fact, gramicidin is one of the first known antibiotics. These interesting properties have made gramicidin an appropriate model for studying solvent effects on the structural changes of peptides and proteins.
随便看	pulse meter pulse-modulated pulse modulation pulse modulator pulse oximeter pulse point pulse position modulation pulse pressure pulse radar pulse radiolysis pulse repeater pulse-taker pulse-taking pulse-time-modulated pulse time modulation pulse tracing pulse watch pulse wave pulse width pulse width modulation pulse-wise pulsific pulsimeter pulsion thereat

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。