open class; 公开课
give a lecture; 讲课
required [elective] course; 必修 [选修]课
basic [specialized] courses; 基础 [专业]课
national tax; 国课
salt tax 盐课
accounts [accounting] section; 会计课
secretarial section 秘书课
Lesson Two; 第二课
We have four lessons every morning. 我们每天上午有4课。
The judge imposed a fine of ten pounds on him. 法官课他十英镑罚金。
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)