查询词典 fern

Fern fronds spiral in North Carolina's Blue Ridge Mountains.

螺旋形的厥类植物的叶片，可以在美国卡罗莱纳州的蓝色山脉的山脊地域看到。

Any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed.

具有剑形复叶的热带蕨类，包括从波士顿蕨演变来的分支。

Fern fronds spiral in North Carolina's Blue Ridge Mountains.

蕨类叶状体呈螺旋形的在美国北卡罗莱纳州蓝岭山脉。

Fern of West Indies and South America having fronds with bright golden -yellow undersides.

西印度和南美洲一种带有下侧呈金黄色的复叶的蕨类植物。

Fern of eastern North America with pale green fronds and hay-like aroma.

分布在北美东部的一种具有淡绿色复叶和带有甘草芳香的蕨类。

The results show that there are 11 variations,4 subspecies and 401 species,of cause including fern,which belonging to 68 families and 224 genuses.

结果表明：毛乌素沙区共有高等植物68科，224属，401种和4亚种11变种。

The ground was covered with fern s.

地面上长满了羊齿植物。

The rare African amber also preserved bacteria, fungi, and plant remains from the Cretaceous period forest, such as this star-shaped hair from a fern species that sapped nutrients from the trees on which it grew.

罕见的非洲琥珀里还保存了来自白垩纪的细菌和植物残骸，例如这个蕨类植物的星状毛发，蕨类植物从其生长的树上获取营养物。

Next day, if there was no thunder shower, all hands would help rake and pitch and load, and the hay would be hauled to barn in the high hay wagon, with Fern and Avery riding at the top of the load.

如果运气好没有下雨的话，所有人都会帮忙把草扎起来，摞成一堆，等干了以后就会放在谷仓里堆成高高的一堆，而弗恩和艾弗利就会坐在高高的顶端玩耍。

Next day, if there was no thunder shower, all hands would help rake and pitch and load, and the hay would be hauled to the barn in the high hay wagon, with Fern and Avery riding at the top of the load.

到第二天，如果没有雷阵雨，所有的人手都来帮忙耙啊，叉啊，装车啊，这些干草就被高高的干草车运到谷仓去，弗恩和艾弗里高高地坐在干草顶上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。