He squinted and shielded his eyes.他眯着眼，用手挡住眼睛。His secretary shielded him from importunate visitors.他的秘书替他挡住胡搅蛮缠的来访者。How well is the exposure area shielded from the cyclotron proper.照射区对回旋加速器本身的屏蔽程度如何?He shielded his head...
Gram negative bacilli resistant to cephalosporins were between 17.4 % to 55.5 %.革兰阴性杆菌对三代头孢菌素的耐药在17.4%～55. 5%之间.Successfully developed Side - chains for cephalosporins has also resulted in good market reply.目前公司开发的系列头孢侧链...
他写了几首诗。锡德告诉他那几首诗都不押韵。He had written a few poems. Sid told him they didn't scan.波特遵循押韵的规则。Porter stayed within the rules of rhyme.歌词平淡老套，押韵生硬蹩脚。The lyrics are banal and the rhymes clumsy....
The Estonian parliament has passed a resolution declaring the republic fully independent.爱沙尼亚议会已经通过了宣布共和国完全独立的决议。In July of that year an Estonian army, under General Yudenitch, almost got to Petersburg.同年7月,尤得尼奇率领的一支爱沙尼亚...