Chadless perforation
[电] 无屑凿孔
🧩 词语组成解析
[计] 半穿孔
perforation
[[ˌpə:fə'reiʃən]]
n. 穿孔, 孔眼, 贯穿, 贯通\\n[化] 穿透
🗣️ 情景例句
In less than two hours,
在不到两个小时之后，
Time is great healer.
时间能够治好（感情上的）创伤。
and usually lashes fiercely with its trunk in all directions.
往往是用鼻子朝各个方向猛烈地甩动。