山谷是瓶子状的轮廓，东北部是瓶颈，它的扩展方向是非常地朝向南方。
The valley is bottle-shaped in contour, with the neck of the bottle to the northeast, and it widens very considerably towards the south.
寻找具有特定轮廓形的楔状物或许对超声波联接有帮助。
Search units with contoured contact wedges may be used to aid ultrasonic coupling.
一种浓密、平底状的白色云块，有一个多重圆形的顶部和界线分明的轮廓，通常是由不稳定的热气团上升形成的。
A dense, white, fluffy, flat-based cloud with a multiple rounded top and a well-defined outline, usually formed by the ascent of thermally unstable air masses.
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