Agroecology examines the connection between agricultural crops and the environment.农业生态学考查农作物与环境之间的关系.Geoponics and agroecology are two independent disciplines with close relations.耕作学与农业生态学是两门独立的学科,且彼此间密切相关.This website...
送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病.The feed - pipe is as clean as a whistle, so I'm afraid, if the oil is not getting through to the burner, the valve must be faulty.可加装马达动力,以配合送料装置.Capable of fitting motor power to co...
Middle East peace talks in Washington showed signs of progress yesterday...昨天在华盛顿举行的中东和谈有了取得进展的迹象。Her trainer said yesterday that she would be a strong contender for a place in Britain's Olympic squad...她的教练昨天说，她将是英...