Secocubane
拟方烷, 三环辛烷
🗣️ 情景例句
You'll like her, she is super.
你一定喜欢她，她好极了。
I will be very glad when I receive the letter.
如能接到你的来信，我将会非常高兴。
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；