英语单词表示课程“subject”和“course”,有什么区别?答:photo用照相机拍摄的照片,picture可指相片,图片,电影片,drawing画的画 Let's go and see a good picture.7. vocabulary, wordvocabulary词汇,一个人拥有的单词量,word具体的单词He has a large vocabulary.8. population, peoplepopulation人口,人数,people具体的人 China has a large population.9. weather, ...