The people there were able to divide the sky into symmetrical boxes, according to the main directions, north, east, south and west.
根据主要的东南西北方位,那里的人们可以将天空分成对称的区域。
They divide snow into four main categories, such as snow lying on the ground, snow floating in the sky, snow piling up, and snow piles.
他们把雪分为四大类,如地上的雪、飘在空中的雪、积雪和雪堆。
The urban-rural knowledge and education divide is today's main barrier to achieving universal primary education by 2015.
城乡之间知识和教育鸿沟是今天阻碍2015年普及初等教育的主要障碍。
应用推荐