Columbous compound
[建] 三价铌化合物
🧩 词语组成解析
[建] 三价铌, 亚铌
🗣️ 情景例句
Bye-bye.
再见。
We are running on two shifts.
我们实行的工作是两班倒。
She had told him to come straight in if ever she failed to open the door and to leave the bread on the kitchen table.
她曾告诉过面包师，如果她不去开门，他可直接进门，把面包放在厨房的桌上。