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
I'd like to give thanks for a healthy year, a good job,
我感谢这一年来身体健康 工作顺利，
How much will it cost?
这种商品成本价是多少？
I was angry because they were late.
我生气，因为他们迟了。