请问,有“on the bottom of”这个表达

有
如：
She sewed a frill on the bottom of her skirt.
她在她的裙子下边缝上饰边.
2."Put it on the bottom of the sea," said another.
“把它放到海底.”另一个说道.
3.The manufacturer's name is on the bottom of the plate.
制造厂商的名称在盘子背面.