论文部分内容阅读
8.They also caught a dragonfly and watched its wings carefully.他们还抓来蜻蜓，仔细观察它的翅膀。
9.The brothers made a dragonfly kite with paper and bamboo. The kite flied to the sky. “We will make a kite big enough to take us to the sky, ” the elder brother said.兄弟俩用纸和竹子扎了一个蜻蜓风筝。风筝飞上了天。“我们要做一个能带我们到天空去的大风筝。”哥哥说。
10.Father sent them an aircraft model on Christmas Day. “Open it and have a look, ”the elder brother said.Ａfter a while, they took apart the aircraft model.爸爸在圣诞节送给他们一个飞机模型。“拆开看看吧！”哥哥说。过了一会儿，他们把飞机模型拆开了。
11.In 1900, the Wright brothers made a glider. The elder brother operated it and flied into the sky.1900年，莱特兄弟制造了一架滑翔机，哥哥操纵着它飞上了天。
12.Three years later, they installed a propeller and gasoline engine into the aircraft. It is the first time in history that man made powered flight .三年后，他们给飞机装上了螺旋桨和汽油内燃机。这是人类历史上的第一次动力飞行。
13.They kept on improving their technology and made the aircraft fly to the sky. Their flying dream for years cametrue.他们不断改进技术，使飞机飞上了天空。他们多年的飞行梦实现了。
9.The brothers made a dragonfly kite with paper and bamboo. The kite flied to the sky. “We will make a kite big enough to take us to the sky, ” the elder brother said.兄弟俩用纸和竹子扎了一个蜻蜓风筝。风筝飞上了天。“我们要做一个能带我们到天空去的大风筝。”哥哥说。
10.Father sent them an aircraft model on Christmas Day. “Open it and have a look, ”the elder brother said.Ａfter a while, they took apart the aircraft model.爸爸在圣诞节送给他们一个飞机模型。“拆开看看吧！”哥哥说。过了一会儿，他们把飞机模型拆开了。
11.In 1900, the Wright brothers made a glider. The elder brother operated it and flied into the sky.1900年，莱特兄弟制造了一架滑翔机，哥哥操纵着它飞上了天。
12.Three years later, they installed a propeller and gasoline engine into the aircraft. It is the first time in history that man made powered flight .三年后，他们给飞机装上了螺旋桨和汽油内燃机。这是人类历史上的第一次动力飞行。
13.They kept on improving their technology and made the aircraft fly to the sky. Their flying dream for years cametrue.他们不断改进技术，使飞机飞上了天空。他们多年的飞行梦实现了。