host基本解释
n,[计]主机；主人；主持人；许多,同近
Our host greeted us at the door..主人在门口迎接我们。
[计] 主机；主人；主持人；许多英释nnsomeone at a party, meal etc who has invited the guests and who provides the food, drink etc
a host of,许多，一大群；众多，大量.短语
