天花

The history of immunology is traced to 1798, when Edward Jenner found that people could be immunized against the disease smallpox.

免疫学：182票。免疫学的历史可以追溯到1798年，当时爱德华*琴纳发现通过免疫接种可以抵抗天花。

Edward jennet ,a British physician ,abandoned the quest for a cure and conquered the disease by finding a way to prevent it .

英国医生爱德华。瞻纳放弃寻找特效药，靠找到一种可以预防天花的办法征服这一疾病。

Karen Kelley spent over 25 year in the computer technology field.

凯利今天花了25年的计算机技术领域。

She's gazing at a livid bulge on the ceiling where water seems to be coming through.

她望着天花，上有一处青灰色的地方鼓起来，似乎有水渗入。

Do they write letters in longhand or spend hours every day online.

他们写信或在longhand每天花时间在网上。

Succinct and lucid,fireproofing anddampproofing,lustration,pollution-free,non-out of shape,etc.

条扣天花的特色与优点：具有简洁明快，防火防潮，洁净，环保，不变形等功能。

Further research confirming the relationship between stopping the smallpox vaccine and the rise of HIV would not surprise William McNeill.

如果进一步的研究能确认停止天花接种和HIV蔓延的关系的话，这不会使William McNeill感到吃惊。

People begin to print the upper part of the wall and the ceiling with the same colour,while the metope is covered with light texture wallpaper.

人们开始会把一堵墙的上部分与天花同色，而墙面使用一种带有淡淡纹理的墙纸。

Some, such as the pre-Columbian Mississippian culture , developed advanced agriculture, grand architecture, and state-level societies.

欧洲人开始后解决美洲，许多数以百万计的土著美国人死于传染病的传入的疾病，如天花。

How long did Nuwa work to fix the sky?

女娲补天花了多长时间？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。