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
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
Walls have ears.
隔墙有耳。
But this was before Annie Sullivan came to stay.
但是，这都是安妮·莎利文来住下之前的事了。