nipple

名词

1. 1

   乳头

   She felt a sharp pain around her left nipple while breastfeeding.

   她喂奶时左边乳头周围感到刺痛。

2. 2

   奶嘴

   The nipple on the baby's bottle was cracked, so we replaced it.

   宝宝奶瓶上的奶嘴裂了，所以我们换掉了。

3. 3

   接头、短管技术

   The mechanic pumped grease into the nipple on the wheel bearing.

   技师把黄油打进轮轴承上的接头。