"there are two classes of detergents"
"early morning classes are always sleepy"
"the working class"
"an emerging professional class"
"he took a course in basket weaving"
"flirting is not unknown in college classes"
"he played baseball in class D for two years"
"Princeton is in the NCAA Division 1-AA"
"the class of '97"
"she was in my year at Hoehandle High"
"she has a lot of class"
"How would you classify these pottery shards--are they prehistoric?"
They classed this insect under the Coleoptera.
他们把这种虫列入甲虫类。
How dare you class my husband with yourself?
你怎敢把我的丈夫当成像你那样一类的人?
The critic classed him with the best writers of the age.
那位评论家把他列入当代第一流的作家中。