Buccal have purplish blue stain.
颊部有紫蓝色斑点。
Looked up at the sky, the blue is not mixed any stain.
仰起头看天空，依旧蔚蓝的不夹杂一丝污渍。
Preparation of the Victoria blue stain fluid.
维多利亚蓝染色液的配制。
Columns of greasy black smoke rose up to stain a merciless blue sky.
股股浓烟腾上高空污染了无情的蓝天。
The rods are seen here with a methylene blue stain.
图为亚甲基兰染色见杆状菌。
The rods are seen here with a methylene blue stain.
图为亚甲基兰染色见杆状菌。
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