attentive

adj.注意的; 专心的; 留心的; 关心的; 肯帮忙的 牛津词典 adj. 注意的；专心的；留心的listening or watching carefully and with interestan attentive audience聚精会神的听众 关心的；肯帮忙的helpful; making sure that people have what they needThe hotel...