Eicosapentaenoic
[水产]二十碳五烯酸
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
Who is the auther of this biography?
谁是这篇传记的作者？
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。