Diphosphoric acid
[化] 焦磷酸
🧩 词语组成解析
🗣️ 情景例句
I'm in great need of your assistance.
我特别需要您的帮助。
No man is content.
人心是不满足的。
In 1953, a former electronics engineer in his fifties, Christopher Cockerell,who had turned to boat-building on the Norfolk Broads,
在1953年，有一位50多岁名叫克里斯托弗·科克雷尔的原电子工程师，改行在诺福克郡的湖泊地区从事造船业，