Background　　According to the new rules for a planet adopted at an International Astronomical Union meeting in Prague, ......

a+辅音+e，其中e不发音，a读字母本来的音[ei]　　清晨wake（醒来）　　来到lake（湖）　　钓上snake（蛇）　　放下plate（菜盘）　　赶到gate（大门）　　......

罗伯特·林德（1879-1949）,英国近代散文名家，生于爱尔兰，曾任伦敦《新闻报》文学编辑，在散文创作方面有较高成就。　　　　The average ......

On the basis of transformation kinetics and thermodynamics, the austenite-ferrite transformation start temperature duri......

Many studies have shown that knowledge resources have been the real source of innovation and competitiveness of real est......