Polonium
[ [pə'ləuniəm] ]
高中 Senior High
n. 钋\\n[化] 钋Po
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
Will it rain tomorrow?
明天会下雨吗？
Have you decided which boat to take, Sir?
先生，您决定用哪只船了吗？