Unitane
二氧化钛
🗣️ 情景例句
How was the patient?
病人怎么样了？
You may rest assured that the shipment will be duly delivered.
你们尽可放心，我们会按时交货的。
Good! That's done. Now the tree must be tied to the stick.
好的！做好了。现在该把树系在木棍上了。