英语词汇大作战 app for iPhone and iPad

Covering both grammar vocabulary and term vocabulary, this application largely and almost immensely challenges your vocabulary in either English or Chinese.

It provides you with 68 subject repertories grouped by three catalogs: term, grammar and others, and allows you to get instant access to more than 300,000 subjects and more than 100,000 vocabularies, and roam around them.

There are toally 14 ranks for each complete challenge, each rank has minimum 10 subjects, or maximum 30.

The options for each multiple-choice question is adjustable, 4 by default, or maximum 8.

The time to finish a subject is 15 seconds, after which, the subject is locked, and the challenge is discontinued unless you use answer cards.

Challengers may review their challenge records in multiple pie charts, and browse them detailedly one by one.

Many a challenger is able to have their own challenges within it.