Carbocyclic compound
[化] 碳环化合物
🧩 词语组成解析
a. 碳环形的
🗣️ 情景例句
It's all right with me
我没有问题。
I'm twenty-two (years old).
我二十二了。
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。