coppice with field crops system矮林: coppice; copse; low forest; ...混: mix; confuse; mingle农: agriculture; farming作业: school assignment乔林混农作业: combined system of field crops and high forest下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:矮林混农作业，即可在微信中查询翻译
