Polonium
[ [pə'ləuniəm] ]
高中 Senior High
n. 钋\\n[化] 钋Po
🗣️ 情景例句
I have to cram all night for tomorrow's exams.
为了明天的考试，我得熬夜临阵磨枪。
Donald has become incensed at his friends for being so unkind.
唐纳德因为他的朋友太不客气，所以被激怒了。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。