According to Luca, the sea is a good place to grow plants because underwater temperatures remain stable, changing little from day to night.
据卢卡说，海洋是种植植物的好地方，因为水下温度较为稳定，昼夜变化很小。
The flowers may only last a day but the plants are long-lived.
这些花也许只开一天，但植物本身却很长寿。
Every day we chow down foods from plants that carry deadly toxins.
每天我们都会吃一些来自植物的食物，这些植物携带着致命的毒素。
Groups of about a dozen students each, led by an experienced guide, will go on ten-day camping trips to the mountains to study the plants and animals that grow and live there.
每一组大约十来名学生，由一位经验丰富的导游带领，将进行为期十天的登山露营，以研究在那里生长和生活的动植物。
Scientists are learning more every day about the secret ways in which plants talk to each other.
科学家们每天都在了解更多有关植物互相交流的秘密方式。
One afternoon, her boss came over to her desk and kindly asked her to water the plants, as she hadn't done it yet that day.
一天下午，她的老板来到她的办公桌前，温和地要求她给植物浇水，因为她那天还没有浇过水。
"We're thinking about how we can engineer plants to replace functions of the things that we use every day," explained Michael Strano, a professor of chemical engineering at MIT.
麻省理工学院化学工程教授迈克尔·斯特拉诺解释道：“我们正在思考如何设计植物来代替我们日常使用的东西的功能。”
For example, through Longwood Gardens-sponsored research we have observed that plants are flowering earlier on average 1 day per decade over the last 150 years.
比如，在由洛伍德花园资助的调查研究中我们发现，在过去的150年中植物平均每十年就要提前开花一天。
This Month in Photo of the Day: National Geographic Magazine Features Pioneering plants get a toehold above the tide line on Australia's Fraser Island.
澳大利亚的弗雷泽岛上，开拓性的植物在海岸沙丘的潮水界线以外生根立足。
On the 27th day of the experiment, the researchers measured stem length, root-system length and the overall weight of the plants.
实验第27天，研究者测量了茎的长度，根系长度以及植物总重量。
Float plants typically run 24 hours a day for years at a time.
浮法制造的工厂一次运作就是几年，而且通常都是24小时不间断运作。
And now we hear about animals and plants going extinct every day — vanishing forever.
我们每天都会听说有的动物和植物绝种，那是永远消失的事情。
Some hotels are reacting to this by trimming non-essential spending; using potted plants as decorations, for example, instead of fresh flowers that have to be replaced every day.
面对这种情况，一些酒店为了降低成本，便缩减了非必要的开支。比如说，在装饰方面用盆栽代替鲜花，免去每日更换鲜花的支出。
This is a worry because some of the most desirable characteristics of plants are in the wild gene pool and might be needed again one day.
这令人担心，因为有些最珍贵的作物基因就存在于野生植株上，有一天我们可能还需要用到。
If it proves commercially feasible, coal plants around the world could one day be flanked by carbon-cleaning algae greenhouses or ponds.
如果能证实在商业上可行的话，将来有一天，世界各地煤炭发电厂的附近都会附设进行碳清洁的藻类暖房或藻类池塘。
A four-day international meeting of nuclear experts has called for a tightening of safety standards at nuclear plants across the world following the Fukushima nuclear accident in Japan in March.
核专家召开的为期四天的国际会议呼吁，在三月份日本福岛核电站危机之后加强世界各地核工厂的安全标准。
One day he saw some country people busily engaged in pulling up nettles; he examined the plants, which were uprooted and already dried, and said: "They are dead."
一天，他看见村里有许多人正忙着拔除荨麻。他望着一堆已经拔出并且枯萎了的荨麻说道：“死了。”
If people charge during the day, when electric load is highest, power companies may have to build peaking natural gas plants.
如果人们在白天充电，那时电路负荷最高，电力公司可能不得不建造高峰期天然气电站。
Early humans ate a lot of plants - and they needed to eat them quickly enough that they could eat a sufficient amount in one day to get all of the nutrients they needed.
早期人类要吃很多植物，而且他们要尽快地吃以保证每天可以吃掉提供足够营养的东西。
The humble carnation in your Valentine's Day bouquet may be cheap, but it rivals the most exotic of tropical plants in evolutionary spectacle.
在你情人节收到的花束中，那不起眼的康乃馨或许可以说是廉价的，不过它却和其他的奇葩异卉在进化地位上不分伯仲。
This is a worry because some of the most desirable characteristics of plants-taste, drought - and pest-resistance-originally came from the wild gene pool, which will be needed again one day.
这令人担心，因为小麦的味道，原始抗旱抗虫基因来自于野生基因库，总有一天我们会需要这些的。
She says the reactor could be used to create transportation fuels or be adopted in large-scale energy plants, where solar-sourced power could be available throughout the day and night.
她认为这种反应器可以被用来制造交通燃料，或者被昼夜都能提供太阳能电力的大型电厂采用。
One day in 1995 in Allen Good's laboratory in Edmonton, Alberta, a student made a serendipitous mistake: she forgot to add nitrogen when she watered some experimental canola (rapeseed) plants.
1995年的一天，在位于艾伯塔省埃德蒙顿的艾伦·古德实验室里，一个学生犯了一个偶然发现的错误：她在给实验用的油菜(油菜籽)浇水的时候，忘记了添加氮元素。
Your child can sprinkle on seeds, cover lightly with soil and be responsible for watering the plants every day.
由于不会用到土地，孩子们只需要将我们从商店里买来的土倒入容器中即可，然后播种、盖土，并负起每天为蔬菜浇水的责任。
Your child can sprinkle on seeds, cover lightly with soil and be responsible for watering the plants every day.
由于不会用到土地，孩子们只需要将我们从商店里买来的土倒入容器中即可，然后播种、盖土，并负起每天为蔬菜浇水的责任。
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