Technitum
[化] 锝Tc
🗣️ 情景例句
I would be appriciated to take a look around your factory.
如能看一下你们工厂我会很感激的。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
because balloons can be a great danger to aircraft.
因为气球有可能给飞机造成极大的危险。