The structure of the backbone shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.
不过,走鲸的脊椎结构显示,即使没有尾片,它们在水中同样能够像现代鲸鱼那样通过身体后面部分的上下摆动来游动。
Stovepipe: a structure that supports mostly up-down flow of data but inhibits cross organizational communication.
烟囱(Stovepipe):结构上支持数据主要在上下方面的流动,却禁止平行的通信。
Figure out how you can make it move a little to the left, a little to the right, up and down and then repeat in some kind of looping structure.
就是找出办法让它向左移动一小步,向右移动一小步,向上一小步,向下一小步,像这样不断重复。
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