Kymene
碱性熟化阳离子树脂, 聚酰胺 3,3-环氧丁腈树脂(美国 Hercules 产品, 商业名称)
🗣️ 情景例句
and do it while I talk to my secretary.
我去和秘书说个话。
How long will you remain out?
你将会在外面逗留多久？
Which would you like, a cup of tea or a glass of milk?
你想来点什么，一杯茶还是一杯牛奶？