You will feel more buoyant and optimistic about the future than you have for a long time.对于未来，你的感觉会比过去很长一段时间里更加自信和乐观。We were in a buoyant mood after winning our match.我们赢了比赛,心情很振奋。We have a buoyant economy and unemployme...
一旦冷水进入长颈瓶, 水气压就迅速下降.Once the cold water enters the flack, the vapor pressure falls quickly.将样品运放到实验室的长颈瓶中.Transport the sample into the flask sampling to the laboratory.药剂由香精和各种成分混合在长颈瓶里制成.Potions are made by an essence ...