Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
The two sides would like to see the normalisation of diplomatic relations.双方都愿意看到外交关系的正常化。He told reporters that he thought the time was ripe for a normalisation of relations.他告诉记者他认为是时候恢复两国间正常关系。The jump in bond rates a...
雄蕊群着生在联合的花冠上.The androecium is borne on the fused corolla.花药是花的雄蕊上带花粉的部分.Anther is a part of a flower that contains the pollen.花丝:1.被子植物中,雄蕊支撑花药的柄.Filament 1 . The stalk of the stamen bearing the anther in angiosperms....
Such cultures could give rise to vascular tissues, roots and shoot buds.这样的培养可能产生维管组织, 根和苗端芽.Many of the cells in such cultures have somewhat sculptured walls.在这样的培养中很多细胞具有多少呈花纹状的细胞壁.Many natural fibers decay rapidly whe...
He was inspired by fossils of armadillos and sloths.犰狳和树懒化石让他获得了灵感.Because armadillos also wandered in the desert?因为犰狳也在沙漠里晃荡?Armadillos aren't the only creatures who rely on gravity to get the ball rolling.犰狳是唯一依靠重...
In the 1930's, The National Trust began its campaign to save Britain's patrimony of threatened country houses.20世纪30年代，全国名胜古迹托管协会开始行动起来拯救英国面临威胁的文物级乡村宅第。I left my parents' house, relinquished my estate and ...