denitrogenation什么意思

The basic principles, current situation and trend of urban sewage biological denitrogenation are introduced.本文介绍了城市污水生物脱氮的基本原理, 研究现状和进展....

denitrogenation的音标：denitrogenation的英式发音音标为：[denɪtrədʒə'neɪʃn]denitrogenation的美式发音音标为：[denɪtrədʒə'neɪʃn]...

n.第一层...

queer的最高级为：queerest...

n.铝赛克斯合金...

Grasshoppers die in fall.蚱蜢在秋天死去.There are usually a lot of grasshoppers in the rice fields.稻田里通常有许多蚱蜢." We're like two grasshoppers tied to one cord : neither can get away!“ 咱们俩的事,一条绳拴着两蚂蚱,谁也跑不了!...

“锥辉石”的拼音为：...

n.（供一人或两人乘坐的）轻便马车...

v.在…开运河[水道]，改造或使似运河( canalize的现在分词 )...

assart的音标：assart的英式发音音标为：[ə'sɑ:t]assart的美式发音音标为：[ə'sɑt]...

auk的音标：auk的英式发音音标为：[ɔ:k]auk的美式发音音标为：[ɔk]...

“贴金箔”的英语可以翻译为：gilding ...

brag的第三人称单数（三单）为：brags...

They were mere apprentices to piracy.他们干海盗仅仅是嫩角儿.He’s a mere cipher in the company.他在公司里是个无足轻重的小人物。He is a mere nobody, and it is mere a matter of time for people to recognize him.他只不过是个小人物, 要大家认清这一点只是时间问题。He flung himse...

GM的复数形式为：gm...

descinolone的音标：descinolone的英式发音音标为：[dɪsɪnəʊ'ləʊn]descinolone的美式发音音标为：[dɪsɪnoʊ'loʊn]...

飞艇在海面打圈子.The airship circled at sea.必要时，飞艇能在那里停留数天以躲避危险。If necessary, the airship can stay up there for days to keep out of danger.飞艇在几秒钟里烧成灰烬.The airship was completely burnt in a few seconds....