The narrow strips of beach on which the turtles lay their eggs are being squeezed on one side by development and on the other by the threat of rising sea levels as the oceans warm.
海龟产卵的狭长海滩一边受到开发的挤压,另一边受到海平面上升的威胁,因为海洋变暖。
Associating a number as one of the qualities of a specific object is a great hindrance to the development of a true number sense.
把数字和一个具体物品的一种属性联系起来,是形成真正的数感的一大障碍。
As a first step toward iterative development, consider one or more functional prototypes during the requirements and design phases.
作为向迭代开发转换的第一步,在需求和设计阶段考虑一个或者更多的功能原型。
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