Polycalcium
多种钙
🗣️ 情景例句
I remember now.
我现在想起来了。
Custom rules the law.
习俗影响法律。
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。