“伙计们，我想你们不介意我抽烟吧？”他拉长音调说。"I guess you guys don't mind if I smoke?" he drawled.他因为唱歌音调偏低而被炒了。He had been fired because his singing was flat.他把音调抬得更高了。He raised his voice to an even higher pitch....
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...