The mostly harmless teeth staining was first observed in communities with high natural fluoridation.

牙齿氟斑病主要是无害的牙齿染色，最早在自然高氟化物地区被观察到。

My problem is staining my new clothes with coffee or pasta sauce.

我的问题是新衣服被咖啡或意大利面酱弄脏。

That trick of staining the fishes' scales of a delicate pink is quite peculiar to China.

用细腻的粉红色给大小不等的鱼着色这种绝技，只有在中国才有。

Part of you here, part of you there and part of you way over there, staining the wall!

块在这儿，块在那儿，还有块在那边，黏在墙上。

Actually, this is not the best pasta look because you know I'm staining this, but I felt great.

事实上，这不是最好的去吃意大利面的造，我会弄脏它，但我感觉很好。

Pumpkin juice spread steadily over the tablecloth, staining several feet of white linen orange, but Hermione paid no attention.

瓜汁不断地倾洒在桌布上，给白色的亚麻布染上橘黄色，长达好几英尺，可是赫敏不予理会。

Thoughts of death filled his mind. Looking back, he saw a bright red drop of blood staining his breast.

他心里顿时充满许多和死亡有关的思考。他回过头，发现滴鲜血正在把胸口染红。

He had been by my side for only a minute when a nurse saw red fluids staining my gown again.

他在我身边只待分钟，护士就看到我的手术服又被红色液体弄脏。

And immunohistochemical staining of biopsy specimens can detect the presence of LANA-1 within the spindle cells and confirming the diagnosis.

活检样本的免疫组化染色可在梭形细胞中检测到LANA-1，从而确认诊断。

These samples can then get sent to the lab for staining, culture, and PCR to look for evidence of Mycobacterium tuberculosis.

标本被送到实验室去做染色实验、细菌培养以及聚合酶链式反应，来检验TB存在的证明。

Like, okay, maybe you borrow your sister's favorite sweater and then end up staining it.

比如说，你借妹妹最喜欢的毛衣，结果把它弄脏。

And he used staining features to discover the Golgi apparatus.

他利用染色技术发现高尔基体。

The lioness pounced on the veil, ripping it to shreds and staining it with blood.

母狮猛扑向面纱，将其撕成碎，并用鲜血染红它。

Tea and coffee are renowned for staining teeth, aren't they?

茶和咖啡以其导致牙齿染色的特性而闻名，不是吗？

Degarmo stood up slowly, a dark flush staining his cheekbones.

德加莫缓缓站起身来， 颧骨染上深红。

The  art was everywhere—spidery black words laced across a bright red background staining my feed.

艺术无处不在——明亮的红色背景上点缀着蜘蛛侠般的黑色文字，玷污我的信息。

My enemies fell, staining the mountain red.

我的敌人倒下， 把山染红。

The liquid starts to soak into the wood, staining it darker.

液体开始浸入木材, 使其变暗。

Advances in chemical processes and dye synthesis in the mid-19th century improved histological staining methods.

19世纪中叶，化学工艺与染料合成的进步提升组织学染色技术。

Jake can see the blood seeping from his friend's mangled body, staining the snow around him.

杰克可以看到鲜血从他受伤的朋友身体渗出，染红周围的雪地。