“helium balloon”造句，怎麼用helium balloon造句

Vast scale: It is anticipated that the helium balloon would have to be roughly the size of Wembley Stadium to contain the amount of chemicals required

He has spent two decades and nearly $20 million in a quest to fly to the upper reaches of the atmosphere with a helium balloon, just so he can jump back to earth again.

GIANT helium balloons. Vibrant flags and T-shirts in crimson, orange and fluorescent yellow.

GIANT helium balloons. Vibrant flags and T-shirts in crimson, orange and fluorescent yellow. The sounds of chanting, laughter and drums.

Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.

Just a little British ingenuity that saw a standard digital camera taped to a helium balloon and floated into the sky.

GIANT inflatable helium balloons.

You tie a helium balloon to your head and hope it ACTS like a mana shield.

US man who triggered a major alert by falsely claiming his son was adrift in a helium balloon has been sentenced to 90 days in jail - and his wife to 20.

He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.

If you've been pressing hard enough, you'll be surprised to find your arms now drifting effortlessly upward, as though you had helium balloons tied to your wrists.