How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?由于矿物燃料供应量下降,我们供应农业生态系统能量能持续多久?Power Industries – Nuclear, Fossil Fuel, Combined Cycle, Cogeneration and Distri...
They ceremoniously cut a piece of ribbon, declaring the exhibition open.他们郑重其事地剪彩，宣布展览开幕。He thanked her ceremoniously.他对她郑重道谢。Chin also came in, and the boys clasped their hands and bowed to her ceremoniously.接着琴从她的房里走出来...
He hated always to be the bearer of bad tidings.他讨厌总是带去坏消息。I am the bearer of good tidings .我带来了好消息。The good tidings filled the whole nation with joy.捷报传来,全国人民无不欢欣鼓舞....