Urethanes
聚氨酯橡胶
🗣️ 情景例句
I plan to leave the present job in order to be able to get into the advertising business.
我想离开目前的工作是为了进入广告业务以寻求发展。
The poor are rich when they are satisfied.
贫能知足即为富。
'It's a strange mixture I make myself. '
“这是一种我自己配制的奇特的混合物。”