Icrf
国际天球参考架
🗣️ 情景例句
I am working for a lawyer now.
我现在在为一位律师工作。
I will be very glad when I receive the letter.
如能接到你的来信，我将会非常高兴。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。