tummies
n．肚子（tummy的复数形式）：指人体腹部的非正式说法。
例句
The babies are wriggling on their tummies.
婴儿们趴着扭来扭去。
《柯林斯英汉双解大词典》
I've noticed something about tummies.
我注意到人们的肚子了。
When people are fat all over, their tummies get so soft and flabby.
如果人们是全身都胖的话，他们的肚子变得又软又松懈。
