Stiburea
脲, 锑尿素
🗣️ 情景例句
I suppose I could call him.
我想我可以打电话给他。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
Come on! shouted everyone, very loudly.
“快！快呀！”每一个人都大声地喊。