鍋爐 的释义 | Babel Free
ku̯ɔ⁵⁵ lu³⁵例句
“燃油鍋爐”
oil-burning boiler
“燃油锅炉”
oil-burning boiler
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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