source materials造句

1、These are source materials referring to cattle breeding.
这些就是有关家畜饲养的资料。

2、The source materials need to be approved by the instructor before the paper is written.
所查阅的材料在写报告前需要经过导师许可。

3、The source materials for the original course did not include lab exercises or assessments.
原来的课程材料不包含实验练习或测验。

4、Next, they try to read a variety of source materials - everything written by or about the subject.
其次，历史学家们会去阅读各种各样的资料——不管是当事人写的还是别人写的。

5、Source materials referring to cattle breeding
有关家畜饲养的资料