Phosphofluoric acid
[化] 六氟磷酸
🧩 词语组成解析
🗣️ 情景例句
You must have the wrong number.
你一定打错电话了。
I probably can't help you with this.
这个我恐怕帮不上忙。
It's always warm in April and May,but it rains sometimes.
4月和5月的天气总暖洋洋的，但有时下雨。