Lange solution
[化] 兰格溶液(一种胶态金溶液)
🧩 词语组成解析
n. 兰格（姓氏）
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
A good friend is my nearest relation.
良友如近亲。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。