seem v. 似乎,好像
apartment n. 公寓
volunteer n.志愿者
exactly adv.正是,精確地
regularly adv.定期地
complain v. 抱怨
exhausted adj.精疲力盡的
convince v. 說(shuō)服
refuse v. 拒絕
attitude n.態(tài)度deserve v. 值得
shortage n. 短缺
community n.社區(qū)
economic adj.經(jīng)濟(jì)的
dishonest adj 不誠(chéng)實(shí)的
weigh v. 權(quán)衡、考慮
design v. 設(shè)計(jì)
disease n. 疾病
benefit n. v. 好處;有益
blood n. 血液