A cold is an infection of the upper respiratory tract.感冒是上呼吸道的感染。She produced a feminist tract, "Comments on Birth-Control", in 1930.她1930年写了篇女性主义的短文《论节育》。A vast tract of land is ready for development.一大片广阔的土地可待开发。...
A vast tract of land is ready for development...一大片广阔的土地可待开发。Objective : To investigate myocardial injury and its mechanism after biliary tract obstruction.目的: 观察胆道梗阻后心肌损伤情况并探讨其损伤机制.She produced a feminist tract, 'C...
After pigging herself on ice cream she went upstairs.大吃特吃了一通冰激凌之后她上了楼。I stopped pigging out on chips and crisps.我不再暴食薯条和薯片了。The effectiveness of pigging depends on correct selection of pigging equipment.清管作业的有效性,应以正确地选择清...
我是为数不多的既获得财富又享有国际知名度的年轻女作家之一。I am one of the few young women who has made it as a writer financially and internationally.萧红是一位才情出众的女作家.An outstanding woman writer, she began her creative activity in 1933.一位女作家要到我们附近的书店来和...
欧洲戴菊鸟,黄色的头冠上有黑边点缀.European kinglet with a black bordered yellow crown patch.以歌唱著名的美洲戴菊鸟,其雄鸟有红色头冠.American kinglet with a notable song and in the male a red crown patch....