They can help you pull down the basket or tie the balloon to the ground car until you are ready to fly.

他们可以帮你拉下篮子，或者把气球系在地上的汽车上，直到你准备好起飞。

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You need several friends to help you control the balloon.

你需要几个朋友帮你控制气球。

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Sengupta realized the balloon-within-a-balloon structure could help him tackle the drug delivery challenge.

森古普塔马上意识到，这种气球套气球的结构也许可以帮助他解决给药的难题。

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Surgery firm Inamed Aesthetics had six surgeons carrying out free consultations on topics ranging from breast implants and wrinkle treatments to a new procedure to help weight loss by inserting a saline-filled balloon inside the patient's stomach.

BBC: NEWS | UK | UK consumers go surgery shopping

Gloucestershire County Council had initially agreed to help fund an 18-month trial by the agency at the Air Balloon roundabout on the A417.

BBC: Air Balloon roundabout, Birdlip

Some of the changes for volunteers include a physical fitness test, lessons in the physics of balloon-handling and a free three-month gym membership to help them shape up.

CNN: balloon