Time off from digital devices. Find out how a school in England challenges students to stay away from their gadgets ...

Please explain “for lack of a better word” in this quote: “Greed, for lack of a better word, is good.” “Greed is good” is ...

Crossfit混合体能训练以特定的运动能力为目标，综合田径、体操和举重等许多动作进行无间歇训练。对心肺耐力、肌耐力、最大肌力、爆发力、速度、协调性、敏捷都有显著提高和改善。每日Crossfit训练1hWU=warm ...

BEIJING, Feb. 8 (Xinhua) -- Chinese President Xi Jinping ordered all-out search and rescue efforts to minimize casualties after a landslide buried 10 houses and left over 30 people unaccounted for in ...