![音标[æ] 歌曲《Bad Boy》](https://cdnimg103.lizhi.fm/audio_cover/2017/04/04/2594302696033063943_320x320.png)
介绍:
音标[æ]
单词：challenge matter outstanding
句子: This competition is a real challenge.
这个竞赛是一次真正的挑战。
As a matter of fact, I think he is outstanding.
事实上，我认为他很杰出。
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