Chromene
[化] 色烯; 苯并吡喃
🗣️ 情景例句
We like to go to the theater together.
我们常一起去看戏。
What is thelargest industrial center in this country?
这个国家最大的工业区是哪里？
Make sure that all bottles are opened in your presence,
确保瓶子是当着你的面开启的，