Acidless
[醫] 無酸的
??? 情景例句
I researched it for over a year.
我研究了一年多。
He learns Spanish every day.
他每天都學西班牙語。
Some really keen enthusiasts go so far as to build their own computers.
有些熱衷于自己動手的人甚至自己組裝電腦。