Perforating adder
[计] 穿孔加法器
🧩 词语组成解析
[计] 穿孔的
adder
['ædə]
n. 加法器，（欧洲产）蝰蛇（小毒蛇），（北美产无毒的）猪鼻蛇;
🗣️ 情景例句
Where are you from?
你是哪里人？
It's an air-conditioner.
这是空调。
How many would you like?
您想买几瓶呢？