時計的英文：
a timer; a chronometer

timer是什么意思：
n. 计时器；计时员

Reset lamp timer, please!
请重置灯泡时计时器。

The timer stands on the finishing line.
计时员站在终点线上。

Retraction of forwarded ejector either by timer or door closing
由定时器或关门控制向前顶出

A main storage location used by timer supervision routines to calculate timer intervals and time of day
为了计算定时间隔和每天的时间,时钟管理例行程序所占的一个主存储器单元。

The little bell of the timer on the stove took up a show-spaced pinging.
炉灶上计时器的小铃发出了一阵不急不徐的铃铃声。

chronometer是什么意思：
n. 天文,航海用的精密时计,精密的时钟

Murchison followed with his eye the hand of his chronometer
莫奇生的眼睛追随着他的时计的秒针。

The problem was not solved completely until the invention of the marine chronometer in the eighteenth century
这个问题直到十八世纪发明了航海经线仪才得以解决。