Flurorchrome
[机] 萤光染料
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
I also want to express my gratitude to all of my teachers over the years.
另外，我还想感谢这个多年来所有教过我的老师。
How fast could we have this order?
这批货多快可以交给我们？