dumbfound [dʌm'faund]
参考词典中dumbfound的常规释义：
基本释义
- v. 使人痖然失声;使发楞
词形变化
- 时 态：dumb·found·ed also dum·found·ed, dumb·found·ing also dum·found·ing, dumb·founds also dum·founds
英英解释
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