Icrf
国际天球参考架
🗣️ 情景例句
How long are you going to stay here?
您在这里呆多久？
This is the schedule for tomorrow.
这是明天的日程安排。
You have signed your name 'Clare Flower' but that is not your name.
你把自己的名签成'克莱尔·弗劳尔'，但那不是你的名字。"