Donkey boiler
[化] 辅助锅炉
🧩 词语组成解析
donkey
['dɔŋki]
n. 驴，毛驴;笨蛋，傻瓜;（美国）民主党的象征;
🗣️ 情景例句
he could be so valuable.
他或许能够有所用。
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。