Tetrahydrothiophene
四氢噻吩
🗣️ 情景例句
He is interested in collecting foreign stamps.
他对收集外国邮票有兴趣。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
Several people complained of cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree.
有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。