Radium plaques
[医] 镭板
🧩 词语组成解析
n. （纪念性的）匾牌( plaque的复数形式 ); 纪念匾; <医>牙斑; <微生物>空斑
🗣️ 情景例句
Let's drill them in English pronunciation.
我们来给他们做英语发音练习。
It's time to begin.
到开始的时候了。
For all his life, he had known that people suddenly disappeared from their villages.
他一生中，听说过有的人突然间在他们的村庄失踪了。