Eurypterid
n. [古生]广翅鲎
🗣️ 情景例句
I feel so bad for him.
我为他难过。
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
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。