Pertitanic acid
[化] 过钛酸
🧩 词语组成解析
🗣️ 情景例句
It hung over Susan's crib.
Susan的小床也曾有过。
You cannot see the wood for trees.
见树不见林。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。