Phosphorimeter
磷光计
🗣️ 情景例句
If it ain't broke, don't fix it.
东西还没坏，就别急去修它。
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
Soon afterwards, the balloon began to descend and it landed near an airfield.
不久，气球开始降落，在一个停机坪附近着了陆。