Dihydroxyfluoboric acid
[化] 二羟氟硼酸; 二羟基氟硼酸
🧩 词语组成解析
🗣️ 情景例句
I speak the Shanghai dialect and the Mandarin.
我会讲上海话，普通话。
Necessity and oportunity may make a coward valient.
需要和机会可能使懦夫变成勇士。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？