In 1835, Charles Darwin gazed at coral reefs in the Pacific Ocean, and these intricate marine structures sparked his thoughts on the evolution of life. Nearly two centuries later, Darwin's inquiry abo ...

IMO’s original mandate was principally concerned with maritime safety. However, as the custodian of the 1954 International ...

文字稿 Hi everyone, Tom here for BBC Learning English. Today, I’m going to show you how to use the future continuous. We use the future continuous to describe actions in progress at a future point in ...

Can dogs read our minds? Find out in this programme ...

FREETOWN, Sept. 13 (Xinhua) -- The China Railway Seventh Group (CRSG) officially launched its Chinese culture learning program on Saturday in Freetown, the capital of Sierra Leone.

Eight years is just the warm-up. Our anniversary theme, Trot On to Infinity, reflects our belief that crypto is a marathon with no finish line. Together, may we continue running, through every ...

LJUBLJANA, Sept. 14 (Xinhua) -- China's continuous development will offer opportunities to countries around the world, including Slovenia, visiting Chinese Foreign Minister Wang Yi said here Sunday.

Discover the latest and most groundbreaking inventions and technologies reshaping our world! In this video, we dive deep into a lineup of extraordinary innovations—from advanced robotics and futuristi ...

整理/余冰玥 ...

Being part of Peking University means having access to a wide range of retail stores and services on campus. Here you can find information on campus services you may need, including bookstores, ...

在新西兰迎来2025年中文周（New Zealand Chinese Language Week）之际，教育工作者和语言专家再次呼吁，新西兰应该从中学开始，把第二语言课程设必修课。 这一提议包含在周一发布的【新西兰未来的语言学习】（Language Learning for New Zealand's Future）报告中。

摘要：从芳环上的亲电取代反应出发，对第38届中国化学奥林匹克初赛中的有机化学第9题进行了深入的解析，旨在探讨芳环亲电取代反应的核心机理，有机化学的学习策略以及学科思维方式，为读者备考之后的比赛和研究试题提供参考。