H-r diagram
＝Hertzsprung-Russell diagram
🧩 词语组成解析
🗣️ 情景例句
I hope to come back to the mode of payment.
我希望回过头来讨论付款方式。
What is the highest mountain in this country?
这个国家最高的山是什么？
We've got to do something about the neighbor's dog!
我们得对邻居的狗采取点行动了！