Cloud formations such as mammatus or lenticular among others, are perfect examples of how intricate and different nature can be.

云的结构，特别是乳状云或凸镜云，乃是自然之复杂精细、与众不同的完美范例。

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Bright colours (or irisation) are sometimes seen along the edge of lenticular clouds...

你往往能在这类云朵的边缘看到明亮的色彩(或虹彩效果)。

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Plant shrubby, caudex branching, to 50 cm tall or more, 8-15 mm thick, pale green and glaucous above, darker below, leaf scars lenticular.

植株灌木型，茎多分枝，可长至50厘米高或更高，茎干8到15毫米粗，淡绿色，有白霜，近根处色深暗，叶痕呈双凸形。

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Near it sits a lens-shaped or lenticular galaxy called IC 4970, which appears to have crashed through the spiral in recent astronomical times.

BBC: Galaxy crash sparks biggest spiral