Retracted nipple
[医] 乳头内缩
🧩 词语组成解析
retracted
[[ri'træktid]]
a. 可伸缩的
nipple
['nipl]
n. 乳头;<美>（奶品的）橡皮奶头;（枪炮的）火门;[机]喷灯喷嘴，螺纹接套;
🗣️ 情景例句
I love animals.
我喜欢动物。
I'm a graduate of Yale University.I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、