n.精密時(shí)計(jì)（尤用于航海）；經(jīng)線儀；天文
Murchison followed with his eye the hand of his chronometer. 莫奇生的眼睛追隨著他的時(shí)計(jì)的秒針。
James is conversant with chronometer and geography. 詹姆斯精通天文和地理.
