Azoprotein
偶氮蛋白
🗣️ 情景例句
What's this?
这是什么？
The houses downtown are very expensive.
市区的房子很贵。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。