H-r diagram
＝Hertzsprung-Russell diagram
🧩 词语组成解析
🗣️ 情景例句
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
The sun comes up in the east.
太阳从东方升起。