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- They also have a third eyelid, called a nictitating membrane, which protects their eyes, particularly when they attack. 眼部还有一个第三眼睑，叫做瞬膜，可以在猛禽发动攻击时保护它们的眼睛。
- If you watch a cat blink, you will see a white membrane cross its eye - that is called its third eyelid. 当你看一直猫眨眼的时候，你会看到它眼睛上有一道白膜，这叫做第三眼睑。
- Ocular tumors in dogs are found in the eyelid, conjunctiva, third eyelid, cornea, sclera, iris, ciliary body, retina, choroid, optic nerve, and orbit. 犬类的眼部肿瘤发现于眼睑,结膜,第三眼睑,角膜,巩膜,虹膜,睫状体,视网膜,脉络膜,视神经和眼眶。
- Signs include enophthalmos (sunken eye), miosis (small pupil), elevated third eyelid, and ptosis (drooping of the upper eyelid). 症状包括眼球内陷、瞳孔缩小、第三眼睑上移和上眼睑下垂。
- There is only one known species of primate that still has a functioning third eyelid, and that is the Calabar angwantibo (closely related to lorises) which lives in West Africa. 只有一种一直的灵长类动物还保存着第三眼睑的功能，就是生活在西非的金熊猴（跟狐猴是近亲）。
- Cherry eye is the term used to refer to canine nictitans gland prolapse, a common eye condition in various dog breeds where the gland of the third eyelid prolapses and becomes visible. 樱桃眼，又称犬瞬膜腺脱出，是一种常见的犬类眼科疾病，见于多种犬种。患病犬的第三眼睑腺体脱出、可见。
- Protrusion of the gland of the third eyelid 第三眼睑腺脱出
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- She heard the news without batting an eyelid. 她听了这个消息后，丝毫不动声色。
- New York City's Third Avenue is full of gin mills. 纽约市第3大街上小酒吧林立。
- He will come to see you on the third of April. 他将于四月三日来看你。
- There are some vacant offices on the third floor. 四楼有几间空著的办公室。
- He kicked the car down from third to second. 他把汽车排档从3档降为2档。
- She won two third places in the seven events. 她在七项比赛中得了两个第三名。
- This tennis player ranked third in the world. 这位网球运动员排名世界第三。
- China belongs to the third world country. 中国属于第三世界国家。
- At the end of the third scene the actress exits. 该女演员于第三场结束时退场。
- Miss Powel went to town every third day. 鲍威尔太太每隔两天上街一次。
- It's the third house on your right. 就在你右边的第三座房子。
- Know anything about the third wave? 知道“第三次浪潮”吗？
