Secocubane
拟方烷, 三环辛烷
🗣️ 情景例句
Nice to meet you, Dean Rafer.
很高兴见到你， Rafer主任。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
The implications of all this were that it was not the disturbance of sleep that mattered, but the disturbance of dreaming.
睡眠受到干忧没关系，而做梦受到干忧是有问题的。