Benz(f)indane
[化] 苯并[f]二氫茚
??? 情景例句
San Francisco General Hospital.
這里是舊金山總醫院。
I often have breakfast in the morning.
我常常在早上吃早餐。
Camping sites, by contrast, are highly cosmopolitan.
而露營駐地則相反，是高度世界性的。