The announcer apologised for the delay.播报员就晚点表示歉意。This is your favorite announcer signing off for tonight.这是你最喜欢的播音员在结束今晚的广播.He is recognized to be a qualified announcer.他被认为是合格的播音员....
目的以干辣椒为原料, 研究采用壳聚糖树脂吸附提取辣椒碱及其纯化的工艺.After degreasing, the capsaicinoid in extraction was absorbed by chitosan resin and then eluted by ethanol.目的评价辣椒碱软膏关节痛的疗效和安全性.Objective To evaluate the efficacy and safety of topical c...