Polonide
[化] 钋化物
🗣️ 情景例句
Where do I register for classes?
我在哪儿登记我上的课？
I wrote to my uncle last night.I couldn't put it off any longer.
我昨晚给我的叔叔写了信.我不能再推迟寄信了。
Excuse me. Which is the way to East Park, please?
请问，去东方公园走哪条路？