Serpex
塞佩克斯碱性耐火材料
🗣️ 情景例句
I'd like to cash some traveller's checks here.
我想在这儿兑换一些旅行支票。
How often did I tell you not to yell in the house?
我告诉你多少次不要在房子里大叫?
How are you getting to the airport? Is anybody seeing you off?
你打算怎样去机场？有人送你吗？