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1·The idea for the experiment came from observing the birds using tools to pick at random objects, such as a picture of a spider that was printed on some cloth.

这个实验的想法来自于观察鸟类使用工具随机挑选物体，比如在一些布上印有蜘蛛的图片。

2·There is no need to pick at him all day long. He's a child after all.

不要老是对他唠唠叨叨， 他毕竟还是个孩子嘛!《新英汉大辞典》

3·Do NOT pop, squeeze or pick at acne.

不要挤压、挑破青春痘。

4·Fish pick at the urchins, which feed on bits of algae.

鱼类吃海胆，海胆以小块的藻类为食。

5·I have notice the squirrels along with me, love these. The chickens pick at them.

我注意到有松鼠跟着我，(它)喜欢这些(草莓)，小鸡也爱吃它们。

6·In fact, many toddlers simply eat one good meal each day, and then just pick at their other meals.

事实上，许多幼儿一天只吃一顿好的，其余几顿只是随便摄取。

7·Historians will find things to pick at-how could they not in a whistle-stop journey through 600 years?

历史学家会发现有东西可写-他们怎么会在短暂逗留后停下600年的历史进程呢？

8·Don't pick at any scabs, which increases the risk of infection and can damage the design and cause scarring.

不要试图自行去除疤痕，这样会增加感染的风险，甚至损坏纹身的图案。

9·Atlanta also owns Indiana's pick at No. 11, as part of the trade that sent al Harrington to the Pacers last summer.

亚特兰大，也赢得印第安纳的11顺位，这是作为去年夏天将哈灵顿卖给步行者的交易之一。

10·We want our self-confidence to be really up there, and when you look in the mirror and you start to pick at your thighs and your calves and it starts to erode your self-esteem, that's not good.

我们想要很有自信，但是当你站在镜子面前开始拨弄自己的大腿和小腿时，它侵蚀着你的自尊，这种感觉很不好。