Schistosomiasis ( or bilharziasis ): Group of chronic disorders caused by parasitic flatworms of the genus Schistosoma ( blood flukes ) .血吸虫 病: 由 血吸虫 属寄生的扁虫引起的慢性疾病.A gut is present and most of these flukes are monoecious...
Spears hurtled against shields.矛猛击在盾上.They hunt game with spears or a curved wooden boomerang.他们用长矛或木制曲形飞镖猎取野味.The warrior's spears were acuminated before the battle.战士们的矛在战斗前是弄成尖形的.Can you fill his hide with harpoo...