词汇	element of set
释义	element of set 集元
随便看	grass root grass-seed combine grass-seed drier grass seed drill grass seeder grass-root grass-root authority as main body grass root bank grass-root border force grass root campaign grass-root civil servants grassroot coalition grass root construction grassroot CPC orgnization grass-root culture grassroot democracy grass-root democracy grass-root democracy construction grassrooted grass-rooted bank grass-rooted culture grass-rooted revolutionary regime grass root emergency resource grass root fiscal pressure grassroot government