Electropolar
a. 電極性的, 電極化的
??? 情景例句
There is still a week to go before the vacation begins.
現在距離假期還有一星期。
World Chess Champion
國際象棋冠軍
Both the police and the workmen were grateful to the student for this piece of advance information.
警察與工人都對那個學生事先通報情況表示感謝。