钟表（zhōng biǎo）是一种测量时间的仪器。它通常由一个机械装置组成，可以显示小时、分钟和秒钟。钟表可以是机械式的，也可以是电子式的。机械式的钟表通常使用弹簧或重力来驱动指针的运动，而电子式的钟表则使用电池或电源来驱动电子部件的运动。

Clock (noun) is an instrument used to measure time. It usually consists of a mechanical device that displays hours, minutes, and seconds. Clocks can be mechanical or electronic. Mechanical clocks typically use a spring or weight to drive the movement of the hands, while electronic clocks use a battery or power source to drive the movement of electronic components.