Verditer
铜盐颜料, 碳酸铜
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
He can't decide what to do.
他不能决定做什么。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，