Chadless perforation
[電] 無屑鑿孔
?? 詞語組成解析
[計] 半穿孔
perforation
[[?p?:f?'rei??n]]
n. 穿孔, 孔眼, 貫穿, 貫通\\n[化] 穿透
??? 情景例句
I'll be in town next week, maybe you could fit me in.
我下個禮拜會在城里，也許你能安排時間見我。
I was raised on rice in the South.
我在南方吃米飯長大。
for one of the necessary conditions of preservation is quick burial,
因為保存的必要條件之一是迅速掩埋，