We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
during my freshman year在我一年级期间Jack decided to live in during his freshman year at college.杰克决定大一时住校.It's important for the college freshman to keep his nose clean.对大学新生而言洁身自好是很重要的....
这种石头可碾碎作为筑路材料.This rock can be ground down for road - building material.他们碾碎这些石头用来筑路.They ground this rock up for road building.虫子越受苦, 我就越想碾碎它们.The more the worms writhe, the more I yearn to crush out their entrails!...
Zhamnov, 22, signed for $1.25 mil over three years.扎姆诺夫，22岁，签下了为期3年125万美元的合同。Connector's solderability can meet MIL - STD - 202 F standard . Finish shall be free of contaminants.产品可焊性符合 MIL -STD-202F标准规定的相关要求,表面不得有污...