Verditer
铜盐颜料, 碳酸铜
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
You had it when I last saw you.
我上次见你时你还有的。