B.b.t.absorprion theory
[机] BET吸附理论
🧩 词语组成解析
🗣️ 情景例句
Do you have to act like that?
你非得那么做吗？
Will you go shopping with me?
你跟我去买东西吗？
What happened before printing was invented?
印刷术发明以前是怎么一回事？