她指出：可抵抗草甘膦伤害的转基因农作物需要较少的对土壤有害的杀虫剂。
'she noted that (宾语从句)
genetically engineered crops（后面是crops的定语）
designed to fight damage by glyphosate(草甘磷)
need （谓语）
fewer insect killing products（宾语）
which are quite harmful to the land（定语从句修饰products）"作者: 小雅儿 时间: 2010-10-11 18:17
