The paper introduces the method of azotobacter fertilizer by biological process and test method of bacteria.本文介绍了生物法制固氮菌肥的方法,以及菌种的检验方法.Bacterial ferritin from Azotobacter vinelandii has qualitative characteristic absorpt...
Beth's incoherence told Amy that something was terribly wrong.贝丝语无伦次，艾米知道一定是出了很严重的事。Finally, Smith showed up, enraged to the point of incoherence -- and not without reason.史密斯终于露面了, 他气急败坏,语无伦次 - 这倒难怪他.Finally, Smith...
Always aim for achievement and forget about success. - --- Helen Hayes.永远要争取做出成就,别多考虑成功. ---- 海伦海丝.At stake is the success or failure of world trade talks...世界贸易谈判正处于成败的重要关头。Despite the crudity of their methods and equip...
The local people bartered wheat for tools.当地人用小麦换取工具。They bartered farm products for machinery.他们用农产品交换机器.The mountaineers bartered between each other.山民们彼此以货易货....
今天空气中水气大,天气很潮湿.The moisture in the air makes it humid today.水壶中冒出了水气.Steam is rising from the kettle.他们呼出的水气,在冰冷的窗玻璃上形成一层雾.Their breath bloomed the frosty pane....