Icrf
国际天球参考架
🗣️ 情景例句
John cannot get to the phone right now.
John现在没办法接电话。
The shore man is carrying a heavy load.
码头工人在搬运沉重的东西。
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。