Optothermal
光热
🗣️ 情景例句
OK. I can't believe it!
好的。我简直无法相信！
I don't think price is a problem. The most important thing is that how many you can supply.
我认为价格不成问题。最重要的是你方能供货多少。
What about this one?This one's got a label.
这只是不是？这只箱子有张标签。