Perforated cylinder
[化] 多孔转鼓
🧩 词语组成解析
v. 穿孔于, 在…上打眼( perforate的过去式和过去分词 ); （在纸张等上）打齿孔[孔眼线]
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？
Where did you put the oranges?
你把橘子放在哪了？