teat
noun [ C ] uk/tiːt/ us/tiːt/
(ANIMAL)
（雌性哺乳动物的）乳头
a part of a female mammal's body through which milk passes to her babies
(BOTTLE)
UK (US nipple)（奶瓶上的）橡皮奶头
a piece of rubber or silicone for feeding a baby from a bottle