Topic sentence
[计] 课题句子
🧩 词语组成解析
🗣️ 情景例句
That's too bad. Bye.
太糟了。再见。
His courage is a lesson to us.
他很有勇气，是我们大家的榜样。
I determined to lodge a complaint as soon as we arrived.
我决定到目的地就给铁路部门提意见。