[医]bacterial plaque，dental plaque ；

[例句] 这种牙刷可以温和去除牙菌斑而不损伤牙龈。 The toothbrush gently removes plaque without damaging the gums.

[例句] 乌龙能抑制牙菌斑及帮助预防蛀牙. Oolong suppresses dental plaque and helps prevent cavities.

stain，clouding，blotch ；

[例句] 我们得用涂料把墙壁上的污斑遮盖住. We'll have to paint over the dirty marks on the wall.

[例句] 这些污斑去不掉. These dirty spots won't come out.

greyness （钢板酸洗缺陷） ；

[例句] 那条老狗的口鼻部分有灰斑. The old dog had a grizzled muzzle.

[例句] 灰斑对橄榄褐土场. Grey patches on an olive drab field.

flecky ；

[例句] 她的布满斑点的浮肿的脸 her blotchy and swollen face

[例句] 有斑点的是豹还是虎？ Which has spots, the leopard or the tiger?

[医] bacterial plasue，dental plasue ；

[例句] 牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。 When not removed, plaque causes tooth decay and gum disease.

[例句] 牙齿和牙龈之间会滋生牙斑。 Deposits of plaque build up between the tooth and the gum.

lithosporic ；

[例句] 网箱养鱼称着于世,主要有品种有石斑 、 鳢白等. Cage Culture to the world that the main species are grouper , Channa, such as white.

blotchy，travel-stain ；

[医] blastocardia，blastocelis，maculae germinativa，embryonic spot ；

maculopapule ；

[例句] 体癣表现为红斑丘疹 、 水疱, 呈环状或钱币状. Expression of ringworm of the body is erythema papula, blister, show cricoid or coin shape.

variegation ；

[例句] 为增添庆典的气氛,汽车都用包彩斑谰的彩带和花朵装饰起来. The cars were bedecked with bright - clolured ribbons and flowers for the ceremony.

foxiness ；

[例句] 我又发现在我肩上有褐斑. 在这里. 看见了 吗 ?在那里. 你看见了 吗 ? Melman : I found another brown spot on my shoulder. Right here. See? Right there. You see?

[医] melanoleukoderma ；

[例句] 这是一匹黑白斑小型马。 It is a piebald pony.

spot disease ；

[例句] 番茄细菌性斑点病是一种严重影响番茄质量和产量的世界性病害. Tomato bacterial speck is a severe worldwide disease that affects the production and quality of tomato.

[医] plaque ；

flocculus ；

microflare ；

[医]atheroma ；

[化] cantharidin ；

[医] blood spots ；

a prawn；

[例句] 新鲜斑节虾,外观色泽透明. Fresh shrimps have a Bright and translucent appearance.