Jackbar
钻机支柱
🗣️ 情景例句
I know the owner very well.
我和老板很熟。
What fun!
多有趣呵。
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。