pick at 吃一点点 ; 挑毛病 ; 用指尖拉 ; 小口地吃
under pick-at-will 自由投梭
please pick at the books 请选择读书 ; 请挑选书籍 ; 请选择在书籍
pick at one's dinner 挑精拣肥地吃
to pick at 指点
pick at sth 因不饿
Pick up at our packages 去取一下我们的包
Pick you up at night 晚上去接你
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。
我五点钟来接你。
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!
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