Propositional function
命题函数
🧩 词语组成解析
a. 建议的；命题的
🗣️ 情景例句
Please, you sit by the window.
你请靠窗坐。
Lookers-on see more than players.
旁观者清。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。