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- An intraductal papilloma may be associated with a serous or bloody nipple discharge, or it may cause some nipple retraction. 导管内乳头状瘤可能产生浆液性或血性乳头溢液，也可能引起某种程度的乳头内陷。
- nipple retraction 乳头凹陷
- The accused refused to retract (his statement). 那被告拒不撤消(其供述).
- The undercarriage on light aircraft does not always retract in flight. 轻型飞机飞行时起落架不一定缩回。
- It's no good letting a baby suck the nipple. 让婴儿啜奶头没有好处。
- His retraction predicates a change of attitude. 他的退缩表示他态度有了变化。
- Nipple inversion is quite common in normal breasts. 乳头内陷在正常乳房中也很常见。
- People with tact have less to retract. 智者悔少。
- To recant or retract something sworn. 食言取消或撤回所发的誓
- Hoist and nipple up 30” diverter. 吊装30”转喷器。
- A pea-sized nodule is felt above the nipple. 在乳头上部，可以触知豌豆大的结节。
- To retract(something spoken;unsay. 收回（所说的某些话）；撤回（前言）
- A pea-sized nodule is felt aboe the nipple. 在乳头上部，可以触知豌豆大的结节。
- Is the infant good with conciliatory nipple? ? ? 婴幼儿用安抚奶嘴好吗？？？
- A formal statement of retraction. 正式的撤回声明
- The nipple is involved by invasive carcinoma. 乳头被浸润性癌累犯。
- A cat can retract its claws,but a dog can't. 猫能收缩爪子，狗却不能。
- To retract(an oath, often by swearing another oath. 取消前誓撤回（一个誓言），经常是通过发另外一个誓
- They tried to persuade me to retract my words. 他们试图说服我收回我的话。
- The accused refused to retract . 那被告拒不撤消.
