拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。Sightseers may be a little overwhelmed by the crowds and noise.他们听见酒瓶摔碎的声音，然后是一阵更喧闹的笑声。They heard a bottle being smashed, then more raucous laughter.他如此大声喧闹，我怕他打扰了邻居。He makes such a racket I...
But constructionism itself, it also has some defects, the curriculum implementer should know this clearly.同时,建构主义自身也有不足之处, 课程的实施者对此要有清醒的认识.Characteristic defects are of two main types; regression and syneresis.特征缺陷主要有两类:...