Butex
[化] 二(β-丁氧乙基)醚; β,β'-二丁氧基二乙醚
🗣️ 情景例句
You speak English without an accent.
你说英语一点口音也没有。
Can you guess what I was doing this morning?
你能猜测我今早正在做什么吗？
Look at the picture.
看这幅图画。