外语学习

Longman English Dictionary - the leading dictionary for learners of English of all levels: definitions, idioms, examples and more. Longman English Dictionary - the leading dictionary for learners of English of all levels: definitions, idioms, examples and more.

Top stories in the U.S. and world news, politics, health, science, business, music, arts and culture. Nonprofit journalism with a mission. This is NPR.

Watch full episodes of your favorite PBS dramas, find in-depth news analysis and explore documentaries on history, science, art and more!

商业和娱乐新闻 Business Insider tells the global tech, finance, stock market, media, economy, lifestyle, real estate, AI and innovative stories you want to know.

提供个性化的 AI 写作辅助 Grammarly makes AI writing convenient. Work smarter with personalized AI guidance and text generation on any app or website.

标准英语听力网站 English Listening Lesson Library Online

经济文章 Unrivaled access, premier storytelling, and the best of business since 1930.

Translate texts & full document files instantly. Accurate translations for individuals and Teams. Millions translate with DeepL every day.

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