Prelithic
a. (人类进化中)石器使用前的
🗣️ 情景例句
Good idea, Jack. What do you think about the second part?
好主意，杰克，你对第二部分有什么看法？
Showoff!
爱现！
Finally, turn off the lights and lock the door.
最后，关上灯，锁好门。