Centrohelida
中太阳虫目
🗣️ 情景例句
There is, Dad.
有， 爸爸。
Guess how old I am.
猜测我有多大。
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。