一项发布在《内科学年鉴》（Annals of Internal Medicine）上的新研究发现，每天一次长距离步行比多次短距离步行更有利于心脏健康，特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.

NAIROBI, Dec. 5 (Xinhua) -- Nearly 30 Kenyan teachers on Friday received certificates after completing a three-week training course to boost their proficiency in the Chinese language. The ceremony ...

In Lianhua Hill Park at the heart of Shenzhen, visitors can find patrolling robots, automated garbage-collecting boats, and an autonomous minibus. They can also enjoy drinks and take-out food delivere ...