headwater什么意思？

headwater的音标：headwater的英式发音音标为：['hedwɔ:tə(r)]headwater的美式发音音标为：['hedwɔtə(r)]...

For controlling source pollution from the sources, sloping land management in the headwater regions is necessary.为了从源头上控制农业面源污染,必须根据土壤生物热力学原理,以土壤为中心, 大力治理坡地.In arid climates, surface water is generally better than water ...

His mother leaned forward and gave him an approving look.他的母亲探身向前，对他投以赞许的目光。He gave me an approving nod.他向我点头表示同意。She was listening, smiling, approving, and yet not finally agreeing.她倾听着, 微笑着, 赞赏着, 但是最后却不能苟同....

“改正”的反义词：就范。...

“提神”的反义词：失神。...

gold-headed cane的音标：gold-headed cane的英式发音音标为：[ɡəuld 'hedid kein]gold-headed cane的美式发音音标为：[ɡold 'hɛdɪd ken]...

abstracting的音标：...

annihilate的现在完成时为：annihilated...

n.马拉赤鹿，里海赤鹿...

她相当顽固，宗教观念极强。She was a fairly rigid person who had strong religious views.乔伊斯被她同事的顽固激怒了。Joyce was irritated by the inflexibility of her colleagues.这个方法能清除大多数顽固污渍。This treatment removes the most stubborn stains....

spontaneous的音标：spontaneous的英式发音音标为：[spɒn'teɪniəs]spontaneous的美式发音音标为：[spɑn'teɪniəs]...

The strategy involved too douses ( two doses ) of measles vexing ( vaccine ) with supplements of vitamin A.提高麻疹 免疫 的策略还包括两种加有维他命A添加济的疫苗....

“抓紧”的拼音为：zhuā jǐn...

alternative的音标：alternative的英式发音音标为：[ɔ:l'tɜ:nətɪv]alternative的美式发音音标为：[ɔl'tɜrnətɪv]...

adj.叮当响的，响亮的...

Prune rambling roses when the flowers have faded.花朵凋谢后要剪除杂生的玫瑰枝。When should you prune apple trees?苹果树应该什么时候剪枝？Can you tell me whether it is a good thing to prune an apple tree?你能否告诉我该不该修剪苹果树？...

Let freedom ring from the heightening Alleghenies of Pennsylvania!让自由的回声响彻宾夕法尼亚州高高耸立的阿勒格尼山脉吧!Let freedom ring from Alleghenies of Pennsylvania.让自由之声从宾西法尼亚州阿莱干尼高地响起.Let freedom ring from Alleghenies of Pennsylvania ! Let ...