abbr. 目的港船上交货(=Delivered Ex Ship)；教科部(=Department of Education and Science)
英英释义
Noun:
a potent estrogen used in medicine and in feed for livestock and poultry
synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy
美
