坡地上长满了开花植物。
在大约3.6亿年前，野生胡萝卜也许是和其它开花植物一起进化的。
Wild carrots probably evolved with the other flowering plants about 360 million years ago.
在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。
In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.
如果您对花粉过敏，您应该避免开花植物，或者在它们出现后，立即剪掉它们。
If you have pollen allergies, you should either avoid flowering plants or snip off the flower buds as soon as they appear.
蜜蜂是食物链的重要组成部分，因为开花植物的授粉依赖于昆虫，而蜜蜂是最有效的授粉昆虫。
Bees are a critical part of the food chain because flowering plants depend on insects for pollination and the honeybee is the most effective.
互花米草，又称绳草，是一种落叶的多年生开花植物，原产于美国的大西洋沿岸和墨西哥湾沿岸。
Spartina alterniflora, known as cordgrass, is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States.
喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。
The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.
生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。
Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.
法国的4200种开花植物中有2000种可以在这个公园里找到。
Two thousand of France's 4,200 species of flowering plants are found in the park.
被子植物是种子植物的一种类型，包含了所有开花植物的类型。
One type of seed-bearing plant, the angiosperm, includes all forms of blooming vegetation.
番薯属是开花植物旋花科中最大的属。
Ipomoea is the largest genus in the flowering plant family Convolvulaceae.
开花植物分为两种，在克朗奎斯特分类法中分别称为木兰纲和百合纲。
The flowering plants are divided into two groups, which in the Cronquist system are called Magnoliopsida and Liliopsida.
海草是一种生长在浅水中的开花植物。
海草是开花植物中唯一能生长在水中的。
Seagrasses are the only flowering plants that can live entirely in water.
开花植物的出现给地球带来了绚丽的景色。
The appearance of flowering plants brought a new flamboyance to the planet.
新几内亚岛的森林是很多开花植物的藏身之处。
The forests of New Guinea harbour a rich variety of flowering plants.
一品红是美国最畅销的盆栽开花植物。
Poinsettias are the best-selling potted flowering plant in the United States.
第一个诱使动物替它们串花授粉的并不是开花植物。
Flowering plants were not the first to seduce animals into spreading their pollen for them.
开花植物包括玫瑰和睡莲，禾草和橡树，郁金香和兰花。
The flowering plants include roses and waterlilies, grasses and oak trees, tulips and orchids.
回溯到开花植物初现的1.3亿年前，苍蝇和甲虫堪称最初的传粉者。
Flies and beetles are the original pollinators, going back to when flowering plants first appeared 130 million years ago.
牙买加繁茂的开花植物约有3,000种，其中800种为这个岛独有品种。
Some 3, 000 species of flowering plants flourish in Jamaica, 800 of them unique to the island.
这处拉乌瑞席尔瓦森林中的植物品种多样，包括一定数量的蕨类植物和开花植物。
The Laurissilva includes a wide diversity of plants, including a number of rare ferns and flowering plants.
从在此列举的开花植物中挑选出一些来，可以帮助照亮那些黑暗的岁月。
The brief selection of flowering plants listed here should help brighten the darker months.
在欧洲以外，蝙蝠是夜间开花植物重要的传粉者，同时也起到了散播植物种子的作用。
Outside Europe, bats are important pollinators of night-blooming flowers, and as seed dispersers.
这项发现将开花植物开始多样化的时间推到了大约一亿两千七百万年前，那时正是白垩纪的早期。
Its discovery pushes back the date of when flowering plants diversified to around 127 million years ago, during the early Cretaceous period.
白垩纪中期之前，也就是说大约1亿年前，开花植物很少见：裸子植物占据着地球的景观。
Before the mid-Cretaceous, 100 million years ago or so, flowering plants were scarce: conifers and their relations ruled the landscape.
很多年前这里的土壤已经被冲刷干净，实际上已找不到开花植物的踪影，但有时还能发现地衣和苔藓。
They were scoured clear of soil ages ago, but one may sometimes find moss or lichens growing, though virtually no flowering plants.
很多年前这里的土壤已经被冲刷干净，实际上已找不到开花植物的踪影，但有时还能发现地衣和苔藓。
They were scoured clear of soil ages ago, but one may sometimes find moss or lichens growing, though virtually no flowering plants.
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