她决定在脑后留一条细长的老鼠尾辫子，显得很别致。

She decided to wear a thin ___rattail at the back of her head for a unique look.

这种细长尾巴的鱼在深海很常见。

This ___rattail fish with a long slender tail is commonly found in deep waters.

这把锤子的手柄末端有一条细长的皮质摆绳。

The hammer has a thin leather ___rattail hanging from the end of the handle.