单词学习助手 is a free Chrome extension designed to enhance English language learning by allowing users to highlight and record new vocabulary directly from web pages. This tool simplifies the process of tracking unfamiliar words, making it easier for learners to engage with content in English. Users can highlight words and phrases, creating a personalized vocabulary list for future review.

The extension serves as a valuable resource for anyone looking to expand their English proficiency. It not only helps in recording new words but also provides a systematic approach to revising them later. This functionality supports learners in retaining vocabulary over time, thus improving their overall language skills.