但是要确保你有一个专业的飞行员，且注意他的降落伞背带要系紧。
Just make sure that you have a professional pilot strapped in the harness of your parachute.
我背好降落伞背带坐在飞机后座，在飞机起飞前我们会离开舱门。
I sit in the back wearing a harness and we usually take off the doors before flight.
它包括伞体，其特征在于，在伞柄上设有双肩背带，伞柄靠下端为扁平状。
The umbrella is characterized in that umbrella stem is provided with two braces and lower end of the umbrella stem is flat.
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