Niobium carbide
[化] 碳化铌
🧩 词语组成解析
n. 铌\\n[化] 铌Nb
n. 碳化物\\n[化] 碳化物; 碳化钙; 电石
🗣️ 情景例句
The times have been very bad.
时机一直很坏。
What did he tell you?
他告诉你什么？
How many of you are making the trip?
你们有多少人去旅行？