Helicopters with searchlights swept the park which was sealed off...直升飞机的探照灯来回扫射这个被封锁的公园。We illuminate the enemy plane with searchlights in order to shoot at it.我们用探照灯照射敌机为的是向其射击.The beams of the searchlights fingered th...
The studies and recent advances in chemical activator of electrode in organic electrosynthesis are briefly surveyed.电极活化剂在提高有机电合成电流效率、收率及改进电极活性等方面发挥着重要的作用....