H-r diagram
＝Hertzsprung-Russell diagram
🧩 词语组成解析
🗣️ 情景例句
Of course. I've seen you on television.
当然。我在电视上看见过你。
I have forgotten his telephone number.
我忘记了他的电话号码。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。