The hind appendage of an animal.

动物后部的附肢，尾巴.

A trailing or projecting part resembling a tail.

形状像尾巴的附加部分或拖带物.

The rear or last part of something; the closing phase.

事物的后部或末端；收尾阶段.

The rear structure of an aircraft; the empennage.

飞机的尾部结构，尾翼；机尾.

The visible stream of dust and gas from a comet.

彗星因太阳风形成的可见尾部.

The reverse side of a coin; the side without the head.

硬币的反面；非人像的一面.

A person who secretly follows someone; a surveillant.

暗中跟随他人的人；跟踪者.

The descending stroke or lower loop of a letter.

字母的下伸笔画或下圈部分.

The extreme end of a distribution; the long tail.

分布的极端尾部；长尾部分.

All terms of a sequence from a given index onward.

从某一项起序列余下的所有项.

To follow and observe someone secretly.

暗中跟随并监视某人.

To trail behind or hang on like a tail.

像尾巴一样拖在后面或紧紧跟随.