您要查找的是不是：
- competition host parasite system 宿主寄主系统竞争
- The parasite's host could be any bird. 该寄生生物的宿主可以是任何鸟类。
- The host then passed around a box of cigars. 主人这时拿了一盒雪茄烟请大家抽。
- The mistletoe plant is a parasite on trees. 槲寄生是寄生在树上的植物。
- A host of friend meet him at the railroad station. 一大群朋友在火车站迎接他。
- Don't give money to him; he is a parasite. 别给他钱，他是个好吃懒做的人。
- The host team won the game by a nose. 主队以微弱优势赢得比赛。
- The host tell a joke to his guest to break the ice. 主人为了打破僵局，给客人讲了个笑话。
- Living as a parasite or symbiont within the tissues of a host. 内在的作为寄生虫或共生物寄生在寄生组织内部的
- The host is not always injured by association with a parasite. 主人与食客结交并不一定会吃亏。
- A public relation firm handle all our publicity. 一家公共关系公司负责处理我们的全部广告宣传工作。
- Parasitic relations from the total habitat, predation and parasitism three channels have a chance, to be different from the direction of evolution. 寄生关系从上述共栖、捕食和偶然寄生三条途径产生后，可以往不同的方向演化。
- A host of friends met him at the railroad station. 一大群朋友在火车站迎接他。
- I cannot stand the TV host's plastic smile. 我不能忍受那个电视节目主持人不自然的笑容。
- A person's happiness correlate closely to the family relation. 一个人的幸福与家庭关系密切相关。
- Host is the masculine noun for hostess. host是与hostess相对应的阳性名词。
- I don't see any relation between the two problems. 我看不出这两个问题间的联系。
- I can't come, for a whole host of reasons. 由於种种原因，我来不了。
- I was away so my son acted as host. 我那时不在家，所以由我的儿子招待客人。
- A relation of mine is coming to stay. 我有个亲戚要来此暂住。
