a rocket has been successfully

a rocket has been successfully 基本解释

火箭发射成功

重点词汇

rocket n. 火箭, 烟火 vi. 急升, 猛涨, 飞驰 vt. 用火箭运载

been v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质( be的过去分词 )；在，存在；不受干扰；去过了；be的过去分词；老练（指性事）；以前也经历过

successfully adv. 成功, 结果良好, 有成就