Barium tetrasulfide
[机] 四硫化钡
🧩 词语组成解析
barium
[['bɛəriəm]]
n. 钡\\n[化] 钡Ba
四硫化物
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
When I came in, he was reading.
当我进来的时候，他在读书。
She got very angry and started shouting at me.
她气极了，冲我大喊。