Phosphofluoric acid
[化] 六氟磷酸
🧩 词语组成解析
🗣️ 情景例句
Her boyfriend couldn't provide her with a sense of security.
她的男朋友无法给予她安全感。
If one desires to succeed in anything, he must pay the price.
如果想做成点事，就得付出代价一干。
When is the most convenient time for you?
你什么时候最方便？