Hexatriene
[化] 己三烯
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
I'm not accustomed to that kind of social situation.
我不太习惯那种社交场合。
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。