Radiothor
放射性指示剂
🗣️ 情景例句
Let's go to see a show.
我们一起去看场电影吧。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
The dish now had to be lifted vertically because one edge was resting against the side of the canal.
这次，盘子必须垂直吊出水面，因为盘子的一边紧靠着运河河岸。