Preterit
a. 过去的\\nn. 过去时
✅ 同义词
🗣️ 情景例句
Uh-huh.
好 ，好。
His failure was a lesson to us.
他的失败是我们的一个教训。
he submits himself to a more ruthless discipline than any critic dreamed of,
就应按任何评论家想像不到的无情规范约束自己去写作；