Procedure boundary
[计] 过程边界
🧩 词语组成解析
🗣️ 情景例句
I need a CD-ROM recorder.
我想要一个光盘刻录机。
What are you talking about?
你在说些什么？
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。