质子的质量几乎是电子的2,000倍。Protons are nearly 2000 times as heavy as electrons.质子是物质的基本粒子。A proton is an elementary particle of matter.中子和质子构成了原子核.The neutrons and protons form the core of the atom....
He put in a spurt at the beginning of the eighth lap.他进入第八圈时便开始冲刺。He assumed command of the Eighth Army.他统率着第八军。A pawn automatically promotes when it reaches the eighth rank.卒子在到达第八横格时自动升级。For Alex being an eighth - grad...
工作场地是个空荡荡的大仓库。The work space is a bare and cavernous warehouse.该保险公司将接受仓库库存货物或长期国库券作为担保。The insurance company will take warehouse stocks or treasury bonds as surety.我可以一整天都呆在仓库里而不受打扰。I can spend the whole day undisturbed...
就制图的目的来说,所以需记录的高程是高出大地水准面 ( 海平面 ) 的高程.For cartographical purposes heights are necessarily recorded above the geoid ( sea - level ).较常见的是根据制图的比例来划分.More commonly the separation is based on the scale of the mapping.丁字尺 是工程...