She was secretly vetted before she ever undertook any work for me.她在为我工作以前曾受到过秘密考查。He undertook to edit the text himself.他答应亲自编辑正文的内容。He undertook the leadership of the team.他担任了这个团队的领导....
He undertook the leadership of the team.他担任了这个团队的领导.She was secretly vetted before she ever undertook any work for me.她在为我工作以前曾受到过秘密考查。She was secretly vetted before she ever undertook any work for me...她在为我工作以前曾受到过秘密考查。...
Carbonized plant remains are commonly abundant.碳化植物残余通常是丰富的.Coal is carbonized and lithifyied vegetation.煤由植物碳化及石化所成.ConclusionIt may produce the new antihemorrhagic active constituent in carbonized Gardenia Jasminoides....