Alum speck
[化] 矾斑; 明矾斑点
🧩 词语组成解析
n. 明矾, 矾, 校友\\n[化] 明矾; 钾铝明矾
speck
[spek]
n. 污点;微粒;
vt. 使有斑点;
🗣️ 情景例句
Turkey and ham are traditional dishes for Christmas.
火鸡和火腿是圣诞节传统的食物。
Better luck next time.
祝你下一次好运。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。