首次在空中航行的飞行器是气球.The first vehicles to navigate the air were balloons.大型飞行器的驾驶员是航空学方面的专家.Pilots of large aircraft are masters of aviation.他设计了一种新式飞行器.He contrived a new machine for flying....
She was expensively dressed, with fine furs and jewels.她穿戴着名贵的毛皮大衣和珠宝，非常奢华。I've always had a fondness for jewels.我一直很喜欢珠宝。The jewels on her fingers sparkled.她手指上戴的首饰闪闪发光。...
There is a trend for knocking public-school headmasters and headmistresses off their perches.现在有一种推翻公立学校校长权威性的趋势。Other protection can be obtained by providing wooden perches througout the orchards.其它保护措施是可在种子园中到处设置木制的栖木....