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
How long does it take?
要花多久时间？
That is not good language which all understand not.
不是人人都懂的语言不是好语言。
How old are you in the picture?
相片里的你多大了？