milkweed

Although the milkweed has paid a heavy price ,

虽然马利筋付出沉重代价

Milkweed of southwestern United States and Mexico ; poisonous to livestock .

美国西南部和墨西哥的马利筋；对家畜有毒害作用。

Rather than collect pollen , this female lays her eggs on the milkweed leaf .

这只雌蝶不收集花粉而是在马利筋的叶片上产卵

( botany ) of or relating to plants of the milkweed family .

（植物学）属于或与乳草植物科有关。

simply can 't resist the nectar-filled cups of the milkweed flowers .

完全无法抵抗马利筋饱含蜜汁的花朵

Milkweed of the eastern United States with leaves resembling those of pokeweed .

生长于美国东部的马利筋，与美国商陆的叶子相似。

But the milkweed has a defence mechanism .

不过马利筋也有对策

Milkweed of the eastern United States with narrow leaves in whorls and greenish-white flowers .

美国东部的马利筋，有轮生的窄叶子和白绿色的花。

The fluff of milkweed sails on the wind to start a new colony miles from its original parent .

芳草花凭借风力离开故土，飘向自己新的家园；

The Sandhill milkweed blooms every spring in the sandy meadows of Florida .

佛罗里达沙地草原的马利筋在春天开花

Large migratory American butterfly having deep orange wings with black and white markings ; the larvae feed on milkweed .

迁移的美洲大蝴蝶，其深橙色的翅膀上有黑色和白色的斑点；幼虫吃乳草属植物。

Monarch caterpillars feed on any of dozens of species of milkweed plants , including some species that contain high levels of cardenolides .

帝王蝶的幼虫以很多乳草属植物为食，包括一些包含高水平强心甾的类型。

Genus of chiefly North American perennial herbs : silkweed ; milkweed . any plant of the family Commelinaceae .

主要在北美多年生的草本的属；芳草属植物；乳草属植物。

In some angiosperm the seeds are equipped with gossamer wings , like the dandelion and milkweed seeds .

有些被子植物的种子有蛛丝般的翅膀，例如蒲公英和乳草属植物的种子。

The gene crops are designed to resist herbicides and that 's allowed farmers to wipe out milkweed , which is the main food source for Monarches .

基因作物可以抵抗除草剂，这样农民就可以用除草剂除掉马利筋，而马利筋是黑脉金斑蝶最主要的食物来源。

Milkweed of southern North America having large starry purple-pink flowers . milkweed of the eastern United States with leaves resembling those of pokeweed .

有大的星星般的花的生长于北美南部的马利筋。生长于美国东部的马利筋，与美国商陆的叶子相似。

Populations of purple milkweed butterflies one of 400 butterfly species on the island and once sold to black market dealers for its worth as a collectors ' item have rebounded thanks to the rerouting of expressway trucks that cut across their ancestral migratory paths .

这里的紫斑蝶是台湾岛的400种蝴蝶之一，因其收藏价值曾被卖往黑市。高速公路曾切断它们古老的迁徙路线，高速路改道后，这种蝴蝶的数量开始回升。