Ethenylidene
亚乙烯基
🗣️ 情景例句
She must like you and your work, Marilyn.
她一定是喜欢你和你的工作， Marilyn。
You had better not bother him right now.
你现在最好不要去打扰他。
All the other boys are Chinese. All of the Chinese students are Young Pioneers.
其余的男孩都是中国人。所有的中国学生都是少先队员。