词根词源: rect
e向上 + rect直立 -> 向上直立 -> erect直立的
adj. 竖立的，笔直的；因性刺激而勃起的；（毛发）竖起的
v. （使）竖立；建造；创立；安装；勃起
He sat erect, listening to the teacher carefully.
他坐得笔直，专心地听老师讲话。
A stone tablet was erected here to commemorate the revolutionary martyrs.
这里竖立了一块石碑，以纪念革命烈士。
This famous philosopher erected a new ideological system.
这个著名的哲学家建立了一个新的思想体系。
Her head was erect and her back was straight.
她的头竖立，背挺直。
They plan to erect an apartment house on that property.
他们计划在那片地产上建造一座公寓楼。
Police had to erect barriers to keep crowds back.
警察只得设立路障来阻截人群。
erect表示使竖立,树立,建立
它的词根词缀: e- 出 + -rect- 正, 直立
