这是初三英语书上的一句话after that,knowledge and ideas spread quickly.请问

这是初三英语书上的一句话after that,knowledge and ideas spread quickly.请问 这是初三化学书上的一句话. 请问 the tank spread out quickly 这句啥意思? 初三英语一句话He realized that it was a challenge and he had to fin 初三英语书上有这么一句话,我不明白,求解释 there is always something happening这是英语书上的一句话,happenning是进行时 我们英语书上有一句话是Someone saw him walk into that building at about after saying that ,he _____the door quickly he is so smart that he can answer my question quickly.请问这是一个 请问spread out的用法. the news spread quickly,quickly划线提问 请帮忙解释英语书上的一句话：