lessonon Basic wordsalso onCEFR Beginners (A1)? CEFR Upper intermediate (B2)? Band 1 (BND1)? Band 3 (BND3)? 功课,教训,训诫,课程 lessons lessons(noun) 经验教训(lesson的复数形式),课程 lesson lesson(noun) 功课,教训,训诫,课程 Forms noun lessons lesson