Isosesquicarene
二丙基甲戊烯基双环庚烯
🗣️ 情景例句
We had a unique experience here.
我们在这里获得了宝贵的经验。
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
Just then, a man hurried to the ticket office.
正在这时，一个男子匆匆奔向售票处。