North American dark bluish-gray gallinule.
北美深蓝灰色的水鸡。
Common (or Scotch) and Buda kale have stems up to 2 ft (60 cm) long that carry a rosette of elongated, dark Bluish green, wavy or frilled leaves.
常见的普通（或苏格兰）羽衣甘蓝和布达羽衣甘蓝茎长60公分，有莲座状叶丛，叶长，色深蓝绿，呈波状或带褶边。
The cause: Oxygen-rich blood is bright red, while blood with less oxygen turns dark and bluish-colored.
原因：富氧血是明红色，然而，含较少氧气的血变成黑色和蓝色调。
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