我当时不知道罗恩有那么坚强的个性。I didn't know Ron had that much strength of character.我不知道自己要去上哪所大学.I didn't know what college I wanted to go to.现在还不知道有多少人在枪林弹雨中身亡。It's still not known how many died in the volleys of gun...
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 chronometer - maker's expert hand plays an essential role in this process.生产精密时计的专家们的手工调试在这一工序中起着关键性的作用.It is use in navigation, chron...