单词:von Pirquet's reaction
单词:von Pirquet's reaction 相关文章
10 环境恶化有损于农业生产 DATE=3-20-01 TITLE=AGRICULTURE REPORT - (1)Environmental (2)Damage Threatens Food Production BYLINE=George Grow (Start at 59
The ocean is our planet's life-support system, but it's getting clogged with trash. Discarded beverage bottles, plastic bags and cigarette butts kill countless seabirds, marine mammals and sea turtles each year. But each September, on the third Satu
肯尼亚设法制止野生动物和人类发生冲突 In Laikipia, Kenyan rangers are driving game farther into a 36,000 hectare conservancy to protect the animals from conflict with encroaching humans. Wildlife officials use trucks and helicopters
Japanese residents are protesting against the country's nuclear power policy following revelations that over 300 tons of contaminated water flow daily from the Fukushima Daiichi nuclear power plant into the sea. Japan's authorities confirmed that the
有能力避开雾霾的人,尤其是有孩子的家庭,正在逃离北京等不适宜居住城市,涌向美国、加拿大和欧洲。 By the 1970s, Central Park was in a state of decay. Bridges were crumbling. Meadows had dried up. Graffiti a
BEIJING, July 22 (Xinhua) -- The Ministry of Finance (MOF) said Sunday that 120 million yuan (19 million U.S. dollars) has been allocated to help the cities of Beijing and Tianjin and neighboring Hebei province to fight floods. The fund, allocated by