他在接受经验性的无环鸟苷治疗后, 多次血培养和脑脊液培养是阴性.He was treated empirically with acyclovir, and multiple blood and CSF cultures were negative.环二鸟苷酸系统是细菌纤维素生物合成中重要的调控体系.The Cyclic Diguanylic Acid Regulatory System is the important regulat...
It is not possible to name any particular conductivity at which metals end and semiconductors begin.不可能说出在哪个特定的导电系数处是金属和半导体的分界.The doctor had been particular in examining her.医生对她进行了仔细的检查。The situation in Ethiopia in par...
The language of this document would be impenetrable to anyone except a specialist.除了专家,其他任何人都看不懂这份文件....the Caucasus range, an almost impenetrable barrier between Europe and Asia.高加索山脉,几乎难以穿越的欧亚屏障His books are notoriousl...
You know you are liable to be cross-examined mercilessly about the assault.你要清楚他们可能会就这起人身侵犯案毫不留情地盘问你。The sun beat down mercilessly.阳光无情地照射下来。We teased him mercilessly.我们肆无忌惮地拿他开心。...