courses 什么意思

courses、subject、lesson、class在表示课的意思时有什么区别? Three Courses and an Open Cano是意思 there are two or more courses for every meal的意思 courses 的汉语翻译 distance learning courses Art Centre courses 英文纠错请问“you must to have interest on these courses”这句话有什么语病吗? 英语翻译Graduate Courses和 Undergraduate Courses还有postgraduate co The children take many courses. ___more about university courses ,call7463789 How is Wuxi TLI courses? 什么是upper division physics courses