Title: Antimoon
Tags: ODH

expression: extension
reading: /ɪkˈstenʃn/
consice: N-COUNTAn extension is a part which is connected to a piece of equipment in order to make it reach something further away.  （设备的）延伸部分
- ...a 30-foot extension cord... 30英尺的延长线
- Some of the best extensions are made from sections of rod tube or drainpipe.最好的延长管中有些是用杆管或排水管制成的。
sentence: Online Dictionary Helper is a Chrome/Firefox extension to show definitions for words and phrases from online (or builtin) dictionary via users' selection on any webpage and PDF documents (using pdf.js), which also supports flash-card creation using Anki (with AnkiConnect, an Anki add-on, installed).
url: https://github.com/ninja33/ODH
add-dw: ★★☆☆☆