Penicillin was an extremely significant medical discovery.青霉素是极其重要的医学发现.The laxity of export control authorities has made a significant contribution to the problem.出口控制部门工作懈怠，是造成此问题的重要原因。There were no significant differe...
Laura flits about New York hailing taxis at every opportunity.劳拉穿梭于纽约各处，一有机会就打车。She flits from one dance partner to another.她不断地换舞伴。That child flits about like a wraith.那个孩子像幽灵一样飞快地跑来跑去。...
Materials and physical configuration of relays determine inherent capacitances among their components.继电器的材料和物理配置决定了其元件间的固有电容.In reality, there are leakage resistances and stray capacitances and to everything.但在实际应用中, 它们...