int.一种喊声；n.狩猎时招呼猎犬的喊声；v.高呼，喊叫着追赶，高声招呼喊叫； 变形： 复数：halloos过去式：hallooed过去分词：hallooed现在分词：hallooing第三人称单数：halloos 英英释义： halloo[ hə'lu: ]n.a shout to attract attention"he gave a great halloo but no one heard him"v.urge on with shouts"halloo the dogs in a hunt"s