Columbium tetroxide
[化] 四氧化二铌
🧩 词语组成解析
n. [化]铌
n. 四氧化物\\n[化] 四氧化物
🗣️ 情景例句
They smell wonderful.
闻起来很香。
Have you somewhat to do tomorrow,do it today.
明天如有事，今天就去做。
When she reached home, her mother asked:Have you got everything?
“你东西买齐了吗？”