Spiran
[机] 螺环化合物
🗣️ 情景例句
I did both with Richard and Susan,
有Richard和Susan时我这样做，
Yes, our production speed is almost twice the industry-wide average.
是的，我们的生产速度是其他工厂两倍。
An individual human existence should be like a river----
个人的存在应该像一条河流，