a (great/wide) range of 广泛的;许多的

　　例句1：For consumers, there are a great range of products, lower prices and home-delivery services.

　　对于消费者来说，有一个较广产品选择空间，更优惠的价格和可以享受送货服务。

　　例句2: The Partnership Team develops and maintains partnerships with a wide range of organizations to join forces and avoid duplication.

　　合作伙伴关系小组在广泛的范围内建立和维护合作伙伴关系，以联合力量和避免重复。

　　a cloud of 一大群;一大片

　　例句：But after further study astronomers realised that there were no stars in it, and so it must be a cloud of gas.

　　但是后来经过更深入地研究，天文学家们意识到那里没有任何星体，它只能是一团气体云。

　　a crowd of 许多;一大群

　　例句：Once in a newspaper I read of a crowd of people who remained appallingly indifferent to the plea of a mother.

　　有一次在报上我读到一则消息：一大群人对一位落水儿童的母亲的哀求置之不理真令人震惊。

　　a good/great deal (of) 许多,大量

　　例句1：Even those of us who spend a good deal of our time creating media, as I do, are still consumers as well.

　　我们中的一些人花了大量时间去创造媒体，就像我做的那样，但他们也还是消费者。

　　例句2：Yet there wouldn't be a great deal of data on them until well into the application's support cycle.

　　然而，不会有大量的数据关于直接的维护问题直到它们很好的融入应用的维护周期中。

　　a great many 许多

　　例句：As mentioned at the beginning, as mentors we have met a great many companies and some very talented individuals.

　　正如开始提到的，作为咨询师，我们遇见过很多公司和一些非常有才能的人。

　　a heap of 一大堆

　　例句：Before the designs created by humans, it was not a vehicle, but only a heap of dangerous raw materials. 跟读在人类的设计之前，它不是一个运输工具，而只是一堆危险的原材料。

　　a host of 一大群;许多

　　例句：Exercise caution before implementing remote logins with keystroke dynamics, as network latency and a host of other variables need to be considered for reliable verification.

　　在用击键力学实现远程登录之前注意练习，因为要进行可靠验证，需要考虑网络延迟和许多其他变量。

　　a large amount & large amounts of 许多,大量

　　例句：In this case, the information tells you that the users receiving large amounts of mail probably merit closer attention to determine whether they are using their e-mail effectively.

　　在这个示例中，相关的信息告诉您，需要更加关注那些接收大量邮件的用户，以确定他们是否正有效地使用他们的电子邮件。

　　a multitude of 一大批;大量

　　例句：One task drives web professionals to distraction more than almost any other: testing whether their design works equally well in a multitude of browsers and on different devices.

　　有一项任务最能驱使专家和业余爱好者，那就是：测试他们的作品是不是能在众多的浏览器和不同的设备上都能运行良好。