每日英语积累

1.school district学区

2.desegregate:officially stop keeping people who use it in seperate group, especially race.废除种族歧视～segregation:种族隔离

3.constitutional:relating to the constitution of a particular country.有关宪法的#constitution宪法#unconstitutional违宪的

4.supreme court最高法院

5.previous version以前的版本