Chromene
[化] 色烯; 苯并吡喃
🗣️ 情景例句
He goes to high school.
他在上高中。
Quietness is best.
宁静最好。
The only funny things we heard that evening came from the advertiser at the beginning of the programme.
那天晚上唯一有趣的事情是节目开始时那个报幕员的开场白。