The pool had dried up and was full of bracken and reeds.水塘已经干涸，里面都是欧洲蕨和芦苇。Good words without deeds are rushes and reeds.口惠而实不至。The whole lake was rimmed with thick beds of reeds.整片湖都被密密层层的芦苇围了起来。Our roof was made of drie...
By gravitation the sun and planets act and react upon one another.太阳与行星通过引力发挥作用并相互影响。He also propounded the Heliocentric theory of gravitation, thus predating Copernicus by almost one thousand years.他也提出以引力作用为基础的日心说, 比哥白...
The torch can bring higher arc voltage with lower fluctuation by elongating the arc.该喷枪能够提高电弧电压并减小电弧电压波动.'Mom,' she intoned, elongating the word...“妈妈，”她拖长了声音，平静地说道。When upper internode elongating , sd - I was ...