Perforated pipe
[化] 多孔管
🧩 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]
pipe
[paɪp]
n. 管子;烟斗;管乐器;（管风琴的）音管;
vt. 以管输送;用管乐器演奏;尖声唱;
vi. 吹奏管乐器;尖叫;尖声地说（或唱），尖声啼鸣;[航海] 吹长哨;
🗣️ 情景例句
It's over.
结束了。
It's nothing.
小事情。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。