我相信我能在别的地方更便宜地买到这种物品。I'm sure I could buy this more cheaply somewhere else.从这个总盘很便宜地复制出塑料盘.From this master disc, plastic discs are stamped out cheaply.她和卖水果的人讨价还价,直到他把水果便宜地卖给了她.She bargained with the trader till he...
This forms the basis for our mathematical expression for the electric field.这是电场数学表达式的基础。Mathematical physics is an almost impossibly difficult subject.数学物理是一门难得超乎想象的学科。He towers above his fellow students in mathematical...