A circular band of metal worn on a finger.

• Also an earring or nose ring.

戴在手指上的金属圆环饰物。

• 也指耳环或鼻环。

A circular band or object.

• Something in the shape of a circle.

环状的物体或带子。

• 呈圆形的东西。

An enclosed area for sport or performance, such as boxing.

用于体育或表演的围合场地，如拳击台。

The sound of a bell.

• A clear, resonant tone or quality.

钟或铃发出的声音。

• 清亮、共鸣的音色。

A circular band or marking that encircles something; a planetary ring.

• A circular arrangement of people or things.

围绕某物的圆形带或纹圈；行星环。

• 人或物围成的圆圈。

A group acting together for a shared purpose, often illegal.

共同行动的团体，常为秘密或非法。

Chemistry: a set of atoms bonded in a closed chain.

化学：由键连接成的闭合原子环。

Mathematics: the region between two concentric circles; an annulus.

数学：两个同心圆之间的区域；环形。

Computing: a hierarchical privilege level in a computer system.

• Networking: a topology where devices form a closed loop.

计算：计算机系统中的分级权限级别。

• 网络：设备构成闭合回路的拓扑。

To encircle or surround.

包围或环绕。

To put a ring on for identification or restraint.

给…戴环以识别或固定。

To sound like a bell; to make a bell sound.

• To call by telephone.

像钟一样响；使钟响。

• 打电话。

To cut a circular strip of bark from a tree.

在树上环状剥去一圈树皮。