Tapper

(noun.) someone who wiretaps a telephone or telegraph wire.

(noun.) a worker who uses a tap to cut screw threads.

(noun.) a person who strikes a surface lightly and usually repeatedly; 'finger tappers irritated her'.

整理:纳特

• Analytical Chemist goes to the door, confers angrily with unseen tapper, appears to become mollified by descrying reason in the tapping, and goes out. 查尔斯·狄更斯. 我们共同的朋友.
• Then, suddenly, came the sharp click of the tapper as it struck the coherer. 鲁伯特·萨金特·荷兰. 历史性发明.
• There was another tap, and another, and then a long row of taps; upon which Sam inquired why the tapper was not admitted. 查尔斯·狄更斯. 匹克威克外传.
• The alternate cohering by the waves and decohering by the tapper continue uninterruptedly as long as the transmitting key at the distant station is depressed. Edward W. Byrn. 十九世纪发明进展.
• The relay _n_ in its turn causes the more powerful battery _r_ to pass a current through the tapper, and also through the electro-magnet of the recording instrument _h_. Edward W. Byrn. 十九世纪发明进展.

录入:文斯