s--and-f-

s--and-f-什么意思,s--and-f-翻译

例句

• Across the counted states boys have never been in more trouble: They earn 70 percent of the D "s and F"s that teachers dole out.

  在全美国，男孩从来没有过这么麻烦：在为数不多的获得D级和F级分数的学生中，他们占70%。

• He graduated from White Pine High School in Ely 1963, getting mostly C"s, D"s and F"s.

  1963年他毕业于伊利的白松高中，大部分课程得分是C、D和F。

• And lastly, the compensation system received 79 percent D"s and F"s.

  最差一项是薪酬体系，D和F的评级占79%。