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...
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...
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...