Tetraether
四醚
🗣️ 情景例句
All right. We'll make close study about it and give you reply as soon as possible.
很好。对这个问题我们将仔细研究一下，尽快给你们答复。
This is our play road.
这里是我们游戏的地方。
Yes. North Street Hospital.
对，北街医院。