I raked, I weeded, I put things in order, as if I were possessed.

我耙地，除草，整理东西，好像鬼使神差一样。

Living things evolve by accumulating genetic changes, which are then weeded out or preserved through a process of natural selection.

生物通过累积基因变异实现进化，之后自然选择过程中被淘汰或保留。

And they weeded out people who were listed as having anorexia or other conditions that alter body fat.

他们剔除那些被列为厌食症或其他改变身体脂肪的疾病的人。

The weak have been weeded from our herd.

弱者已被从我们的牛群中剔除。

The garden with its rows of corn, bright-yellow squash, butter beans and turnips was well weeded and neatly fenced with split-oak rails.

园子里束平地种着一行行的玉米，又黄又亮的南瓜、豆子、萝卜，没有丁点儿杂草，四周是橡树枝条做成的篱笆，显得整整齐齐。

On their tour of the garden, Dickon noticed where Mary had weeded.

园游览过程中，迪肯注意到玛丽除草的地方。

Miraz weeded them out. Belisar and Uvilas were shot with arrows on a hunting party: by chance, it was pretended.

弥兹把他们都除掉。伯力沙和犹威拉思一场狩猎中被箭射：这被伪装成为意外。

A focus on costs has weeded out wasteful practices and improved operational efficiency.

对成本的关注消除浪费行为并提高运营效率。

On his arrival in England—or rather, in London—Champneis had weeded out his wardrobe.

Champneis 抵达英国（或者更确切地说， 抵达伦敦）后， 已经清理他的衣橱。

) The Academy's governors weeded out inactive voters and invited a greater diversity of film-makers to join.

奥斯卡的理事们淘汰不活跃的选民， 并邀请更多种类的电影制作人加入。

A tilled, fertilized, watered, weeded garden provides growing conditions very different from those on a dry, unfertilized hillside.

耕耘、施肥、浇水、除草的园所提供的生长条件与干燥、未施肥的山坡上的生长条件非常不同。

Over time, populations evolve as traits that help them survive are typically selected, and traits that make it harder to survive are usually weeded out.

随着时间的推移，种群会不断进化，因为有助于其生存的特征通常会被选择，使其更难生存的特征通常会被淘汰。

But if those mutations don't offer big advantages right away, they get weeded out, and body plans keep looking basically the same.

但如果这些突变不能立即提供很大的优势，它们就会被淘汰， 身体计划看起来基本相同。

I've struggled for food and for money and I've weeded and hoed and picked cotton and I've even plowed until I can't stand it another minute.

我曾经为吃的用的拼命挣扎过，我拼命拔草，锄地，摘棉，甚至扶犁耙，直到连一分钟也坚持不下去为止。

Suellen never missed the opportunity to leave the plantation and give herself airs among people who did not know she weeded the garden and made beds.

苏伦从不放过离开农场到邻居们中去炫耀自己的机会，因为人们还不知道她近来常家里拔草起床呢。

I had sweet-peas planted on the fence one year and often worked and weeded among them as he watched me a few feet away.

有一年我篱笆上种甜豌豆， 当他几英尺外看着我时， 我经常它们中间工作和除草。

Connections that are used are kept and strengthened, while under-used ones are weeded away, creating a brain that is both fine-tuned to its environment and energy efficient.

正使用的脑连接被保留下来并增强，不太使用的脑连接会被除掉，发育成一个完美适配环境又合理消耗能量的大脑。

In these notes, Mr Studwell wanders into the weeds of development (quite literally: Japanese rice is weeded nine times a year, he writes).But he never gets lost.

这些脚注中，Studwell 偶尔会提到一些阻碍经济发展的“杂草”（从字面意义上来说，他写到日本的水稻一年需要进行九次除草）。但Studwell 从未偏离主题。

Now there were only the well-bound little-read English Classics, which were weeded out of her father's library to fill up the small book-shelves in the drawing-room.

现只有装订精良、鲜为人知的英国经典名著， 它们是从她父亲的图馆里淘汰出来的， 塞满客厅里的小架。

So a bad gene that tends to kill relatively young adults is also likely to indirectly kill their young kids, and thus be weeded from the gene pool, too.

因此，一个倾向于杀相对年轻的成年人的坏基因也可能间接杀他们年幼的孩子，从也被从基因库中剔除。