Respirationvalve
[化] 呼吸阀
🗣️ 情景例句
Congratulations!
恭喜你
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's the weather like in spring?
春季的天气怎么样？