H-r diagram
＝Hertzsprung-Russell diagram
🧩 词语组成解析
🗣️ 情景例句
OK, let's talk.
好吧，我们来谈谈。
What are you doing?
你正在做什么？
Needless to say our house is now surrounded by a jungle.
不用说，我家现在已被丛林包围。