bubbling ['bʌblɪŋ]

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附加级

adj. 冒泡的，气泡形成的动词bubble的现在分词形式

The water was bubbling and boiling away. 水在咕嘟咕嘟地沸腾着。
She was bubbling over with happiness and enthusiasm. 她洋溢着喜悦和兴奋。