Cocatalyst
助催化剂
🗣️ 情景例句
and good-bye.
再见。
I'm not kidding, I love you!
我是认真的，我爱你！
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。