They are usually white or yellow centrally, but may be red if they also contain blood.
脓疱常呈白色或黄色或中央为黄色，如果混有血液则为红色。
Some of them emit sounds (usually white noise or a variant) in an effort to mask distracting noises.
其中一些发出的声音(通常是白噪音或者是变异体)是为了掩盖分心所用的噪音。
Any of numerous low-growing herbs of the genus Arenaria, having small, usually white flowers often grouped in cymose clusters.
蚤缀，鹅不食：任一种蚤缀属的杂生矮小的草，开有小的通常呈白色聚伞状的花簇。
Any of a breed of hunting dogs that points game, typically having a smooth, short-haired coat that is usually white with black or brownish spots.
猎犬指示猎物位置的一种猎狗，典型特征是有一身光滑的浅毛，通常毛色为白色。
Achillea of the composite family, especially A. millefolium, native to Eurasia, having finely dissected foliage and flat corymbs of usually white flower heads.
欧蓍草一种菊科蓍属的植物，尤指欧蓍草，原产于欧亚大陆，有美丽的裂成数片的叶子和通常为白色花头的平头伞房花序。
Any of various large aquatic birds of the family Anatidae chiefly of the genera Cygnus and Olor, having webbed feet, a long slender neck, and usually white plumage.
天鹅：鸭科的各种大型水禽，主要是天鹅和哑天鹅属，有蹼足、长而细的脖子和通常为白色的羽毛。
Usually white coats are the standard physician's attire. However, frequently physicians neglect to change their coat when it becomes "soiled" with blood, ink, urine or even fecal matter.
白大褂是医生的校准职业装，但医生常常忽略衣服所沾上的血迹、钢笔水、小便甚至大便。
In the early Disney cartoon movies, princesses like Snow White, Cinderella and Aurora from Sleeping Beauty are usually good looking and kind hearted.
在早期的迪斯尼卡通电影中，像白雪公主、灰姑娘和睡美人中的奥罗拉这样的公主通常都很漂亮，心地善良。
Moonbows appear on the opposite side of the moon and usually look white to the human eye.
月虹出现在月亮的另一侧，它们在人眼中通常看起来是白色的。
Usually, we are white in winter and brown in summer.
通常，我们在冬天是白色的，而在夏天是棕色的。
Usually, a unit test exercises some particular method in a particular context, thus it falls in the broader category of white box testing.
通常情况下，一个单元测试在特殊环境下只测试一些特殊的方法，因此它将白箱测试分为更广泛的种类。
One is gas hydrates—white, sorbet-like compounds that usually consist of methane molecules trapped in a cage of water.
一个是气体水合物，这是一种白色的、类似果汁冰糕的混合物，通常由嵌入笼形水结构的甲烷组成。
It usually is really worth being dressed in a white attire if she might possibly use a tiara or rhinestone necklace with it!
如果她可能戴冕妆头饰或者是莱茵石项链搭配的话，穿着白色礼服通常是十分合适的！
For me, I am usually banging my secretary on the desk in the oval office of the white house.
而我，经常在白宫的椭圆形办公室的桌子上跟我的秘书大战。
They would more than fulfill their commitment, usually coming to the White House together, sometimes separately.
他们确实不辱使命，经常一起或有时单独到白宫来。
White is an appropriate color for charitable organizations; angels are usually imagined wearing white clothes.
白色是适于慈善组织的颜色；在人们的幻想中，天使通常穿着白色衣服。
Mississippi also passed a law saying a black person could be forced to work for a white man — usually his former owner — if he had no other job.
密西西比州还通过一项法律，该法律规定，黑人如果没有其他什么工作可做的话，可以强迫其为白人工作，而这个白人通常是他们原先的主人。
For now, white gold wedding rings are usually enhanced with rhodium plating, creating a luxurious shine and reflective surface.
目前，白金婚戒往往是通过镀铑来达到亮丽的光泽和反射效果。
Make sure the ingredients list "100% whole-wheat flour." Breads simply labeled "wheat" are usually made with a mixture of enriched white flour and whole-wheat flour and have less fiber.
一定要确保面包原料表上写的是“100%全麦面粉”，因为那些仅仅标着原料为“小麦”的，往往是用精制白面粉和全麦面粉混合着烘焙而成，含的纤维素就少了。
The reason may be that leading usually includes the space taken up by descenders; and because most characters do not have descenders, additional white space is created under the line.
原因可能是行间空白通常都包括下行线；而因为大部分字符都没有下行线，那么多余的空白就出现在了线的下面了。
The crowds waved handkerchiefs of white and yellow, the Vatican colors, and roared their approval with the sort of noisy enthusiasm that is usually reserved for rock concerts.
人群挥动着黄白相间的手绢，代表梵蒂冈的颜色，发出通常在摇滚音乐会上才会听到的呼喊声。
To make 32 ounces of iced tea, it usually takes 8 bags of black tea or 10 bags of herbal, green, or white tea.
要做32盎司的冰茶，通常只要取8袋红茶或10袋草本香料、绿茶或者白茶。
An element usually consists of two tags, a start tag and an end tag, each of which is bracketed by an open and a close. XML is case sensitive and does not ignore white space.
元素通常包括两个标记，一个起始标记和一个结束标记，分别用和表示。XML大小写敏感，而且空白是有意义的。
Walls of these gardens are usually painted in white.
花园中的墙壁多粉刷成白色。
Angels are usually imagined wearing white clothes.
在人们的幻想中，天使通常穿着白色衣服。
Univers is a great typeface and white usually works and grids are nice and usually necessary, but they're not a style.
Univers是一种很好的字体，白色通常效果良好，网格看起来不错并通常必不可少，但这些都属于一种风格。
The following items are usually not acceptable in most white-collar environments
在白领层中，以下为不可接受着装
The following items are usually not acceptable in most white-collar environments
在白领层中，以下为不可接受着装
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