单词：negative nitrogen balance
单词：negative nitrogen balance 相关文章
This is the VOA Special English Agriculture Report. Fertilizer use differs from country to country, and from too little to too much. Nitrogen and phosphorus can produce big crops. But they can also pollute water and air. A recent policy discussion i
VOA慢速英语2009年（七）月
Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h
VOA标准英语2011年(四月)
blame game negative campaigning 美国选民每四年不仅要选举一位总统，而且还要选举四百三十五名国会议员、至少三十三名参议员以及在州一级和基层的许多官员
美国习惯用语
英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative
音乐咖啡厅
negative number (does not exist) 负数 ● His fashion IQ is so low, it's a negative number. 他对时装的智商是那么低，可说是负数。（他对时装的鉴赏力根本不存在。） ●
英文名句短语
MILAN, Jan. 12 (Xinhua) -- Inter Milan head coach Andrea Stramaccioni said his side are rediscovering their balance following their 2-0 victory over Pescara in the Italian Serie A league at home on Saturday. It went well, because the most important t
英语新闻