Bicycloocatane
[机] 二环辛烷
🗣️ 情景例句
And the show will help promote it.
而这次展览会有利于促销它。
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。