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
You screwed up.
你搞糟了。
Discretion is the better part of valour.
小心即大勇。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。