Potassium hydrogen fluoride
[机] 氟化氢钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
I have good eyesight.
我的视力挺好。
He had visions of success and fame.
他梦想功成名就。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。