tram
(also tramcar , US `streetcar, trolley) n public passenger vehicle,usu driven by electricity, running on rails laid along the streets of a town (有轨的)电车.
I doubt if he'll be asked to speak again next year.
我怀疑明年是否还会邀请他作报告。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时,供气管一直在排放氧气。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.