单词：reactive information center
单词：reactive information center 相关文章
第七章 腹膜 Chapter 7 Peritoneum abdominal cavity 腹腔 bare area of liver 肝裸区 coronary ligament 冠状韧带 extraperitoneal tissue 腹膜外组织 falciform ligament of liver 镰状韧带 femoral fossa 股凹 gastrocolic ligament 胃结肠韧带 gastrophrenic ligam
医学英语
The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun
探索与发现2012年
By Peter Fedynsky Washington, DC 07 August 2006 watch Peacekeeping report Lebanon has been pounded by outbreaks of violence and war throughout its recent history. In 1978, following years of tension along the country's border with Israel, the United
2006年VOA标准英语（八月）
But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag
探索与发现2012年
As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c
探索与发现2012年
Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le
探索与发现2012年