Calcium acetylide
[化] 碳化钙; 电石
🧩 词语组成解析
n. [化]乙炔化物
🗣️ 情景例句
Come on!
过来！
How long will it take you to repair it?
你要多久才能修好它？
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。