Phthoric acid
[化] 氢氟酸
🧩 词语组成解析
🗣️ 情景例句
Did you go to Michigan too, Grandpa?
爷爷，你也上Michigan吗？
It's time to begin.
到开始的时候了。
I still haven't given up my resolution to do more reading.
但我还没有放弃多看些书的决心。