🧩 词语组成解析
[医]黑雁属
🗣️ 情景例句
No, nothing.
没有，没什么。
I did Math this morning.
我今天早上做算术。
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。