Potassium oxide
[机] 氧化钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
You don't need to do that, Grandpa.
你不用这样，爷爷。
Don't forget to buy it for him.
不要忘记买给他。
New jobs are needed because a number of people are out of work.
因为许多人没有工作，所以需要为他们提供就业机会。