"nipple" in Chinese (Simplified)
乳头奶嘴 (奶瓶)
Definition
乳房中央突起，可以分泌乳汁。也指婴儿奶瓶上，供吮吸的软性末端部件。
Usage Notes (Chinese (Simplified))
“乳头”用于描述人或动物的乳房突出部分；奶瓶末端称为“奶嘴”。医疗或日常均可用，涉及身体部位，在正式场合或公共场合可能避免直接说出。
Examples
A baby drinks milk from a bottle nipple.
婴儿通过奶瓶的**奶嘴**喝奶。
The nipple is in the center of the breast.
**乳头**位于乳房中央。
Some shirts can show the nipple through the fabric.
有些衬衫会显露出**乳头**。
The baby wouldn't take the nipple, so feeding took longer than usual.
宝宝不愿意含住**奶嘴**，所以喂奶比平时慢。
She put cream on her nipples to help with dryness.
她在**乳头**上涂了乳霜以缓解干燥。
I think the water was really cold—my nipples were freezing!
我觉得水真的很冷，**乳头**都冻僵了！