747
noun /ˌsevn fɔː ˈsevn/
/ˌsevn ˌfɔːrti ˈsevn/
(also Boeing 747
[countable] /ˌbəʊɪŋ ˌsevn fɔː ˈsevn/
/ˌbəʊɪŋ ˌsevn fɔːrti ˈsevn/
)- a very large passenger aircraft, also sometimes called the jumbo jet. It was first made by the US Boeing Company in 1969. Each plane can carry more than 400 passengers. The 747–400 model is the longest, at more than 231 feet/70 metres. The safety of 747s was investigated after one exploded and crashed in 1996 off Long Island, New York, killing all 230 passengers and crew.
非常大的客机，有时也称为巨型喷气机。它是由美国波音公司于1969年首次制造的。每架飞机可搭载400多名乘客。747–400型号最长，超过231英尺/ 70米。1996年，一架波音747飞机在纽约长岛附近发生爆炸并坠毁，造成230名乘客和机组人员全部遇难后，进行了安全检查。