Polyhydroxyketone
[医] 多羟酮
🗣️ 情景例句
This is my publisher, Harvey Carlson.
这是我的出版商Harvey Carlson。
Could you tell me where I can find these books?
您能告诉我在哪儿能找到这些书吗？
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。