The troops were severely mauled and lost a quarter of their strength before evacuating the island.部队遭到重创，从岛上撤退前损失了四分之一的兵力。The solution is degassed by alternately freezing, evacuating and thawing.通过交替的冻结 、 抽空和溶化来使溶液除气.Fir...
You can compress huge amounts of data on to a CD-ROM.可以把大量的数据压缩到一张CD-ROM上。A single CD-ROM can hold more than 500 megabytes of data.一张只读存储光盘能容纳500兆以上的数据。A CD-ROM can store more than 250,000 pages of typed text.一张只读光盘能存储25...
镇纸掉到了桌上, 在桌面砸出了深深的印痕.The paperweight had fallen onto the desk, badly marking the surface.他的眼光落到了玻璃镇纸的碎片上.His eye fell on the fragments of the glass paperweight.他用镇纸压住桌上的文件.He anchored the papers on the desk with a paperw...