许多种蓝藻有固氮的能力.Among the blue - green algae are many species of nitrogen fixation.菌根起着固氮和贮氮的作用.Mycorhizae perform the function of nitrogen fixation and storage.根瘤菌是生物固氮的能手.Nodule bacteria are very good at biological nitroge...
He stoked up the fire before going to bed.他睡前往炉子里加了煤.The black stove, stoked with coal and firewood, glows like a lighted pumpkin.黑色烤炉里塞了炭和柴火，燃烧得像一个发光的南瓜。He stoked up the fire in the hearth.他给壁炉里的火添了点柴。I'm really st...
But Samuel was ministering before the LORD - a boy wearing a linen ephod.那时,撒母耳还是孩子,穿着细麻布的以弗得,侍立在耶和华面前." Do you indeed, my ministering angel?" 你真的想回去了, 我的救护天使?His days are spent travelling by boat ministering to his pari...