Cobalt oxide
[机] 氧化钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
Now let's discuss the freight and packing.
现在让我们来讨论一下货运与包装问题。
Who is the auther of this short story?
谁是这短篇故事的作者？
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。