The sun shone on for hours in a cloudless sky.天放晴了几个小时.It was the first of August, a perfect day, with a burning sun and cloudless sky.八月一日这天, 阳光普照, 万里无云。The cloudless sky was jewelled with myriads of glittering stars.无云...
I should have asked him for a shot of penicillin.我应当让他给我打一针青霉素的.She injected the patient with penicillin.她给病人注射了青霉素.Penicillin was an extremely significant medical discovery.青霉素是极其重要的医学发现....