Polythiourea
聚硫脲
🗣️ 情景例句
We have a new artist.
我们找来了一位新的美工人员。
We did it.
干的好！
Jasper has put up 'No Parking' signs outside his gate, but these have not had any effect.
贾斯珀曾把几块“禁止停车”的牌子挂在大门外边，但没有任何效果。