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
You must have the wrong number.
你一定打错电话了。
I told him to stay for the weekend.
我告诉他留下来度周末。
The large size, please.
请拿大号的。