host-density

常见例句

The host then passed around a box of cigars.
主人这时拿了一盒雪茄烟请大家抽。
A host of friend meet him at the railroad station.
一大群朋友在火车站迎接他。
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。
Key words: Sylepta derogata；Apanteles derogatae；parasitic behavior；best instar； host density
关键词：棉大卷叶螟；卷叶螟绒茧蜂；寄生行为；最适龄期；寄主密度
The Impacts of Host Species and Host Density on the Parasitizing Potentials of the Offsprings of Two Trichogramma Species on Ostrinia furnacalis Eggs
不同繁蜂寄主及密度对赤眼蜂子代寄生力的影响比较