Thionarcon
[化] 丁硫甲硫巴比妥
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
Hello!
你好！