interjection 下载 🔗分享 一, 二 The first beat of a 4/4 military cadence, commanding either the lead-off step in a march or some other action. Examples : "After four we raise our swords. One two three four... hup two three four... hup two three four." 四声之后，我们举起剑。一二三四……嘿，二三四……嘿，二三四。 military sound action communication music 与AI对话词汇游戏阅读练习
