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This flier is made in USA. It is made of carbon1 fiber2. It had a successful trial flight in 2018. In 2019， people can buy it. The retail3 price is about 200，000 dollars.
这个飞行器由美国制造，是由碳纤维材质做成的。2018年它有一次成功试飞。2019年，人们可买到它，零售价约20万美元。
SureFly can carry about 180kg. There are two seats in it. A small joystick4 is set between the seats. One hand can simply control it. SureFly has 4 arms. Each arms has 2 propellers5， and then there are 8 propellers in total. Surefly needs no wheels. It can also fold its four arms and propellers to reduce the overall volume6 for transportation and storage.
“当然飞”能载重约180公斤，它里面有2个座位，一个小的操纵杆安装在座位之间，一只手就能简单操作。Surefly有4个手臂，每个手臂有2个螺旋桨，于是总共有8个螺旋桨。“当然飞”不需要轮子，它还能折叠4个手臂和螺旋桨来减少全部的运输和储存体积。
SureFly uses hybrid7 power. It has standby batteries. When the engine breaks down， the standby batteries power it. They can let Surefly go on flying for 5 minutes. During the five minutes， people have time to land. SureFly has the ballistic8 missile9 parachutes10. They help Surefly land if necessary.
“当然飞”使用混合动力。它有备用电池，当发动机发生故障时，备用电池可以做为动力，它们能让“当然飞”继续飞行5分钟。在这5分钟期间，人们有时间着陆。“当然飞”有弹道导弹降落伞，可以帮助它在必要时降落。
SureFly can fly over 100 km once. The max speed is 112 km an hour. The max heigh is 1，200 meters. SureFly will help us in agriculture， rescue， city commuting， military science...Let’s be on the tiptoe of expectation！
“当然飞”一次可飞行100多公里，最大速度是一小时112公里，最大高度為1200米。“当然飞”将在农业、救援、城市通勤、军事科学等方面帮助我们，让我们翘首以待吧！
Notes
1. carbon [] n. [化学] 碳;碳棒;adj. 碳的;碳处理的
2. fiber [] n. 纤维;光纤
3. retail [] adj. 零售的
4. joystick [] n. 操纵杆，[机] 控制杆
5. propeller [] n. [航][船] 螺旋桨;推进器
6. volume [] n. 量;体积
7. hybrid [] adj. 混合的;杂种的
8. ballistic [] adj. 弹道的;射击的
9. missile [] adj. 导弹的;可投掷的;用以发射导弹的
10. parachute [] n. 降落伞
这个飞行器由美国制造，是由碳纤维材质做成的。2018年它有一次成功试飞。2019年，人们可买到它，零售价约20万美元。
SureFly can carry about 180kg. There are two seats in it. A small joystick4 is set between the seats. One hand can simply control it. SureFly has 4 arms. Each arms has 2 propellers5， and then there are 8 propellers in total. Surefly needs no wheels. It can also fold its four arms and propellers to reduce the overall volume6 for transportation and storage.
“当然飞”能载重约180公斤，它里面有2个座位，一个小的操纵杆安装在座位之间，一只手就能简单操作。Surefly有4个手臂，每个手臂有2个螺旋桨，于是总共有8个螺旋桨。“当然飞”不需要轮子，它还能折叠4个手臂和螺旋桨来减少全部的运输和储存体积。
SureFly uses hybrid7 power. It has standby batteries. When the engine breaks down， the standby batteries power it. They can let Surefly go on flying for 5 minutes. During the five minutes， people have time to land. SureFly has the ballistic8 missile9 parachutes10. They help Surefly land if necessary.
“当然飞”使用混合动力。它有备用电池，当发动机发生故障时，备用电池可以做为动力，它们能让“当然飞”继续飞行5分钟。在这5分钟期间，人们有时间着陆。“当然飞”有弹道导弹降落伞，可以帮助它在必要时降落。
SureFly can fly over 100 km once. The max speed is 112 km an hour. The max heigh is 1，200 meters. SureFly will help us in agriculture， rescue， city commuting， military science...Let’s be on the tiptoe of expectation！
“当然飞”一次可飞行100多公里，最大速度是一小时112公里，最大高度為1200米。“当然飞”将在农业、救援、城市通勤、军事科学等方面帮助我们，让我们翘首以待吧！
Notes
1. carbon [] n. [化学] 碳;碳棒;adj. 碳的;碳处理的
2. fiber [] n. 纤维;光纤
3. retail [] adj. 零售的
4. joystick [] n. 操纵杆，[机] 控制杆
5. propeller [] n. [航][船] 螺旋桨;推进器
6. volume [] n. 量;体积
7. hybrid [] adj. 混合的;杂种的
8. ballistic [] adj. 弹道的;射击的
9. missile [] adj. 导弹的;可投掷的;用以发射导弹的
10. parachute [] n. 降落伞