Icrf
国际天球参考架
🗣️ 情景例句
You're welcome anytime.
欢迎你随时来玩。
I'll think it over.
我仔细考虑一下。
Had it not been for the alarm clock she wouldn't have been late.
如果不是因为闹钟不响的话，她就不会迟到了。