Boiler compound
[机] 锅炉清净药剂, 锅水药剂
🧩 词语组成解析
🗣️ 情景例句
I'm a photographer.
我是一位摄影师。
She's engaged married to John.
她和约翰订婚 结婚了。
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。