Functional boundary
[计] 功能边界
🧩 词语组成解析
functional
['fʌŋkʃənl]
adj. 功能的;[数]函数的;有多种用途的;机能性;
🗣️ 情景例句
What did they say?
他们说什么?
Sail while the wind blows; wind and tide wait for no man.
驶船要乘风，风潮不等人。
A cat's ability to survive falls is based on fact.
猫在跌落时能够大难不死是有事实作为依据的。