You would see me most often at sundown when it's getting dark. I might be alone or hanging out with friends in a group called a colony.

你经常会在天变黑，太阳落山的时候看到我。我可能独自一个，也可能是和朋友们在一起。

youdao

Results: Bifidobacterium colony show dark blue, and other Bacteria generally show white or light blue.

结果：双歧杆菌菌落呈深蓝色，乳酸菌和其它细菌一般为白色或淡蓝色。

youdao

Bifidobacterium colony show dark blue, and other Bacteria generally show white or light blue.

双歧杆菌菌落呈深蓝色，乳酸菌和其它细菌一般为白色或淡蓝色。

youdao

It was dark, out on the narrow lane that ran past the sawmills, dark and very green, the boundary wall a dim colony of moss and ferns, the shadows under the trees damp and still.

NEWYORKER: The Bell Ringer