Radium cannon
[医] 镭炮, 镭管
🧩 词语组成解析
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
This man digs foundations for skyscrapers.
这个人在挖着高层大楼的地基。
I do want to see him now.
我现在确实很想去见他。