单词	癭種
释义	同GOITRE
随便看	improvement grant improvement of arts improvement of orbit improvement of roadbed improvement of soil fertility improvement of transistor performance improvement planting improvement program improvement ratio improvement report improvement, river improvements improvements and extensions improvements in process improvements in progress improvements in progress--improvements in process improvements in progress，improvements in process improvements on leased property improvements other than buildings improvement techniques improvement-thinning improvement threshold improvement trade for export improvement trade for import improve on