The century plant blooms only once in its lifetime.

龙舌兰在其一生中只开一次花。

In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.

在19世纪后期，生态学从它的自然历史和植物地理学的根源开始发展为一门独立的科学。

There's compelling evidence that global warming will be a significant driver of many plant and animal extinctions in this century.

有令人信服的证据表明，全球变暖将是本世纪许多动植物灭绝的一个重要原因。

The indigo plant was highly valued until the discovery of chemical dyes in the 19th century.

在19世纪发现化学染料之前，靛蓝一直被高度重视。

Since the 19th century, the poinsettia, a native plant from Mexico, has been associated with Christmas.

自19世纪开始，一品红，一种原产于墨西哥的植物就和圣诞节联系起来。

As in the 19th century, the devastation had a thin silver lining, allowing producers to plant better clones of higher-quality grapes, but that was scant consolation.

而在19世纪，那次灾难曾拥有的仅有的一丝希望就是允许了葡萄园主种植更优质的葡萄克隆种，但那只是些许的安慰。

The direct lessons come from the Fukushima Nuclear Power Plant accident after the tsunami and the once-in-a-century great flood in North America.

它的直接背景就是日本福岛核电站海啸危难和北美洲百年一遇的大水。

Last Century, People use plant to dye fabrics whenever area and status.

上个世纪，人们在不同的区域广泛种植并印染织物。

The title plant had been used as antalgesic and downer from the beginning of the 20th century up to now.

早在20世纪，这种植物就是流行的止痛药和镇定剂，一直沿用至今。

As an important plant in 21st century, rape digitalization is one of important research methods.

作为21世纪的重要作物，油菜的数字化是油菜的重要研究方法。

As early as the first century AD , Pliny the Elder wrote that the sap of a tithymalus plant could be used to render a message invisible to prying eyes.

早在公元一世纪，罗马学者老普林尼写道：“用大戟树汁书写，字迹可以隐形。”

Since the seventies of 20th century, the protoplast have been extensively studied and applied by scholars, as plant protoplasts can be used much more easily without cell wall.

植物原生质体因少了细胞壁更便于各种实验研究，自20世纪七十年代以来，已被学者们广泛的研究和应用。

At the beginning of the new century, the plant will continue to forge ahead, and to meet new community needs, meet the challenges of a higher level.

新世纪伊始，本厂将不断开拓进取，推陈出新以满足社会各界的需求，迎接更高层次的挑战。

Beginning of the founding of the people's Republic of China and build factories. In the 1980 of the 20th century, I plant the first SBW-compensated voltage stabilizer.

中国人民共和国建国初期建厂。20世纪八十年代，我厂生产出国内第一台SBW补偿式电力稳压器。

At the beginning of the 20th century it took a large team of farmers and field hands weeks to plant and harvest one crop, and it took four farmers to feed 10 people.

在二十世纪初，大批农户和帮工种植和收割一片庄稼需要花上数周时间，每四名农民养活十个人。

Although supplies of uranium fuel were known to he limited and might become exhausted in half a century, the nuclear power plant has for a long time been a favorite project.

尽管大家知道铀燃料的供应是有限的，而且可能在半个世纪内耗尽，原子能发电站多年来却一直是特别受人喜爱的项目。

In the biography, the author compares early 20th century Chicago power czar Samuel Insull to a kind of tough plant.

在这本传记中，作者将二十世纪初期芝加哥能源巨头塞缪尔·英萨尔比作一种顽强的植物。

Over the past half-century, people have found by comparing that plant dyestuffs are good to people's health and superior to chemical dyestuffs.

半个多世纪以来，人们通过比较，认为植物染料对人体有益无害，这是化学染料无法相比的。特别是发达国家更重视植物染料。

We are willing to make own contribution to letting china become the world processing plant in21st century.

“福友”人愿与业界同行一道致力于二十一世纪中国成为名副其实的世界加工厂的美誉而发光发热。