短语词组短语field book crop duster 田间喷粉机field book crop 农作物field d crop 大田作物field in crop 庄稼地field -crop 农田作物Field Crop Grower A 谷物growing of field crop 大田作物栽培field crop abstracts detail 农作物文摘field crop cultivating 大田作物栽培 返回 field crop