Butvar
布特伐尔(聚乙烯醇缩丁醛塑料的俗名)
🗣️ 情景例句
Do you sell foreign literature?
这儿有外国文学读物卖吗？
Keep going straight for two blocks, then turn right on Elm street and you'll run right into it.
一直走，过两个街区，然后往右拐是埃尔姆街，再往前走，迎面就是莫特街。
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。