Idiomorphism
自形作用
🗣️ 情景例句
You're right, Robbie.
你说得对 ，Robbie。
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。