kind

　　type

　　sort

　　class

　　category

　　这组名词都可表示“种类”、“类别”、“分类”。

　　kind和type是常用词，sort 非正式用语，可与kind换用。category正式用词，指所归的类别，class指根据等级分成的类别。

　　1) Honey usually appears as a clear golden-colored liquid, but this depends on the kind/sort of flower from which the bees have taken the nectar.

　　（蜂蜜通常是一种清沏的金黄色液体,但这取决于蜜蜂所采蜜花的种类。）

　　2) If he was not in imminet danger, they would not to take this kind / sort of action.

　　(如果他不是处在随时有生命危险的话，他们是不会采取这种行动的。)

　　3) There are some distinct differences between the new type of the product and the old type.

　　(新型产品旧型与旧型产品之间有一些明显的差异。)

　　4）What the researchers are testing is an easier way to make type 0 blood out of other kinds of blood.

　　(研究人员正在测试是否能用一种更简便的方法，把O型血从其它血型中分离出来。)

　　5）Generally specking, letter are classified into two categories: personal letters and business letters.

　　（一般来说,信件分为两类:私人信件和商务信函。）

　　6) In my opinion, the best two cameras in this category are Nikon D40x and Olympus E-410.

　　(在我看来,这一类最好的两种相机是尼康D40X和奥林匹斯E-410。)

　　7) Nowadays, there are several classes of telecommunication for us to select.

　　(如今有好几种电信我们可以选择。)

　　8）Subsequently, we will discuss the class and principle of motion controllers in general.

　　（接着，我们将大致讨论一下运动控制器的分类和原则。）