H-r diagram
＝Hertzsprung-Russell diagram
🧩 词语组成解析
🗣️ 情景例句
Yes. And you must be Susan. Hi.
是的。 一定是Susan了。嗨
Does his film appeal to you?
你喜欢他的电影吗？
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。