Salticidae
跳蛛科
🗣️ 情景例句
Family Album, U.S.A.
美国写真集 。
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。