1.a range of 一系列

例句：The slim booklets describe a range of services and facilities.
这些薄薄的小册子介绍了一系列服务和设施;tVifWq95F;fd。

2.top-selling 畅销

例句：In Detroit this week, the company unveiled a new version of the focus, its top-selling car.
本周在底特律，福特发布了新款福克斯（focus）车，这是该公司最畅销的车型JJCn@*8mg=QL~KzDS。

3.at least 至少

例句：He's been away for at least a week.
他走了总有一个星期吧4t[PGYo!*J_d#j&!^J。

4.real-world 真实的

例句：The three team assignments include a real-world application.
三个小组作业包括了一个实际的应用Rj!]+gqKa^bXY*dI+me。