Secocubane
拟方烷, 三环辛烷
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
This nation is noted for its economic stability.
这个国家以它的经济的稳定性闻名。
My boss is leaving for South Korea.
我老板马上要去韩国。