Polyurea
[化] 聚脲
🗣️ 情景例句
She's having a baby?
她怀孕了吗？
He is playing on the swings outside.
他正在外面荡秋千。
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。