在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...
Toadstools like this Amanita muscaria are known for their hallucinogenic powers.伞菌是一种有毒性的菌类,因为人们吃后会产生那幻觉的毒力.Small quantities of Amanita muscaria are said to cause hallucinations, such as the distortion of size.少量的毒蝇鹅膏据说会...