The case against is twofold: too risky and too expensive.反对理由有两点：太冒险而且太昂贵。The problem was twofold.这个问题分两个部分。The value of the new Cordinate Systems and surfaces is twofold.新坐标系和坐标曲面的价值是双重的....
他把他的这首诗歌叫做打油诗.He styled his poem doggerel.他富于想象方,只几分钟就能写出一首五行打油诗.He is full of imagination and can knock off a limerick in a few minutes.跟他的其他有关神学的议论诗一样,这不比拙劣的打油诗高明多少.Neither it nor his other theological versetreatises r...
At a low flow rate, fluid merely percolates through the void spaces between stationary particles.当流速低的时候, 流体只是穿过静止的颗粒之间的空隙.Water percolates through sand.水由沙中滤过.When gas percolates at a low speed in medium with low permea...
他无私的精神表现在各个方面.His selfless spirit is revealed in every thing he does.作为一名教师,他是无私的.He is selfless as a teacher.人民敬重总统无私的品质.The people esteemed the president for his unselfishness....