Polysilicone
有机硅聚合物
🗣️ 情景例句
OK. Now, I have ... first ... a couple of questions here.
好， 现在，我有……第一……几个问题。
Did you give it to him yourself?
你自己亲自交给他吗？
No, they aren't.They are Norwegian.
不，他们不是丹麦人。他们是挪威人。