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

耙了地，除了草，整理了东西，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.

物通过累积基因变异而实现进化，之后在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.

他们剔除了那些被列为厌食症或其他改变身体脂肪疾病人。

The weak have been weeded from our herd.

弱者已被从们牛群中剔除。

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玉米，又黄又亮南瓜、豆子、萝卜，没有丁点儿杂草，四周是橡树枝条做成篱笆，显得整整齐齐。

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

在花园游览过程中，迪肯注意到了玛丽除草地方。

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

弥兹把他们都除掉了。伯力沙和犹威拉思在一场狩猎中被箭射死了：而这被伪装成为意外。

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

对成本关注消除了浪费行为并提高了运营效率。

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， 已经清理了他衣橱。

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

奥斯卡理事们淘汰了不活跃选民， 并邀请了更多种类电影制作人加入。

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

耕耘、施肥、浇水、除草花园所提供长条件与干燥、未施肥山坡上长条件非常不同。

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.

随着时间推移，种群会不断进化，因为有助于其特征通常会被选择，而使其更难特征通常会被淘汰。

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.

曾经为吃用拼命挣扎过，拼命拔草，锄地，摘棉花，甚至扶犁耙，直到连一分钟也坚持不下去了为止。

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机会，因为人们还不知道她近来常在家里拔草起床呢。

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.

有一年在篱笆上种了甜豌豆， 当他在几英尺外看着时， 经常在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.

正在使用脑连接被保留了下来并增强，不太使用脑连接会被除掉，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.

在这些脚注中，Studwell 偶尔会提到一些阻碍经济发展“杂草”（从字面意义上来说，他写到日本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.

现在只有装订精良、鲜为人知英国经典名著， 它们是从她父亲图书馆里淘汰出来， 塞满了客厅里小书架。

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，一个倾向于杀死相对年轻成年人坏基因也可能间接杀死他们年幼孩子，从而也被从基因库中剔除。