英语语法分析

Mammatus Cloud (via extremeinstability.com)

乳状云 (via extremeinstability.com)

Mammatus Clouds Over Courtland (via rhythmandcode)

地面上空的乳状云 (via rhythmandcode)

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。