单词:twin-propeller-plane
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[00:04.57]Excitement fills the early morning air as you arrive at learn to recognize and name each part of the parachute. [00:19.17]You also learn what each part does. [00:22.05]The excitement builds as your teacher describes each stetp it of the jum
[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was
奥运会的水上运动包括:Swimming(游泳),Water polo(水球),Diving(跳水),and Synchronized swimming(花样游泳) Swimming has been on the Olympic Games programme since the first modern Olym
After 19 years of experimenting - and some help from his local government - a Kurdish man has realized his childhood dream. Nareeman Anwar Saleh has flown his home-built airplane over his home town of Irbil. On a dusty, windswept runway, a small yell
水上运动--画里话外 The pool where synchronized swimming takes place must be at least 3m deep over a 12*12m area in the centre of the pool.花样游泳的水池区域有12米长1米宽,水深至
ROME, Feb. 2 (Xinhua) -- Sixteen people were injured in an accident at Rome's Fiumicino airport on Saturday night when an ATR 72 aircraft went off the runway during landing. Two of the injured were in serious conditions, according to AGI news agency.