Wheatstone perforator
[电] 惠斯登凿孔机
🧩 词语组成解析
惠特斯通（人名）
perforator
['pɜ:fəreɪtə]
n. 穿孔器，穿孔员;凿孔机;
🗣️ 情景例句
We should thank you.
我们应当感谢你。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
We seem to be three packages short.
好像少了三大箱。