复数： lessons
易混淆的单词： Lesson

提示：点击例句中的单词，就可以看到词义解释

You must learn this lesson .

你必须吸取这个教训。

He had learned his lesson .

他汲取了他的教训。

This raises a broader lesson .

这可以析出更多的教训。

Microsoft has learned its lesson .

微软已从中吸取了教训。

Does this lesson need restating ?

有必要重申这一教训吗？