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
And you didn't exercise?
你没有参加健身操？
Many surfaces feel very different.
表面的触感会因物体而大有不同。
He gives the bank specimens of his signature,
他把自己签名的样本交给银行，