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
and help a lot of other people.
且对其他很多人有益。
He's a doctor.
他是医生。
Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851.
19世纪最不寻常的建筑也许要数水晶宫了，它是为1851年的“世界博览会”而建在海德公园的。