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
I want my daddy!
我要我爸爸！
You name it!
你说出来。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。