提高厌氧消化速度是工业化生产沼气的核心所在.The improvement reaction efficiency is the key to methane's production on industrializationscale. "一些新能源(例如沼气)的使用,正在农村地区增加.Use of new energies such as marsh gas is increasing in the rural areas...
他们经过院长面前时脱帽行礼.They cap when they pass the president.国王进来时,宫廷里所有人都向他躬身行礼.All the men in the court bowed before the king as he entered.只是碰巧这时是嘉莉在他面前行礼.It merely happened to be Carrie who was courtesying before him....
在黑暗和嘈杂的声音中，婴儿饱受惊吓。The baby was filled with alarm at the darkness and the noise.他们被一阵嘈杂的敲门声吵醒。They were wakened by a loud knocking at the door.行李大厅拥挤嘈杂。The baggage hall was crowded and noisy....
I found the gardener, a family retainer, morosely surveying the scene.我发现这个园丁——家里一个服侍多年的仆人，愁眉苦脸地审视着这个场景。One elderly man sat morosely at the bar.一位老者闷闷不乐地坐在酒吧里。He stared at her morosely.他愁容满面地看着她.Everybody, thought Scarle...