他捡起一支铅笔，无所事事地摆弄着。He picked up a pencil and toyed with it idly.她开始擦掉空白处的铅笔笔迹。She began rubbing out the pencilled marks in the margin.里德利拿起一支铅笔，不停地在手里摆弄着。Ridley picked up a pencil and fiddled with it....
几次延误都是由新的高科技行李传送系统造成的。Several of the delays were caused by the new high-tech baggage system.科技发展意味着许多医学衍生职业的增长。Scientific development meant the growth of numerous professions ancillary to medicine.请附上汇款，支票收款人为泰晤士河谷科技公司。P...
月球的引力the gravitational pull of the moon卫星被射入环绕月球的轨道.The satellite was launched into orbit around the moon.月球的石头和地球的不同.The lunar stone is different from earth's....