英语热门查询
cleansuretyemergencemoonlitlubricationbalergeneralizedfresheruncleardallierhorrendousshooterreflectivityadvancedcoverttunnelakinmeasurementneedlessdepartmentalmandibleetcheraesculetinunknotgurglescheduledpinpointquaddissipativetoadyloppingbillowythreaderinitializeenvelopwithstandcounselraptwannaregimentdisintegrationvizorvaulterkrislegeressentiallygiraffechoppedIRAplumage
广告
retarder/
rɪ'tɑrdɚ
rɪ'tɑːdə
/
1.noun [Chemistry]
阻滞剂;缓凝剂;减速器
2.noun
智力迟钝者
3.noun
阻滞剂,(加在水泥中的)缓凝剂