Walking further, I noticed a red balloon aloft, rising to the higher altitude.
往前走不远，我注意到一只红气球飘在空中，它越飞越高。
The study dismisses another blimpish idea, though: that of pumping sulphurous chemicals up a long pipe held aloft by a large tethered balloon.
报告排除了另一种早期的设想，即通过一个巨大的系留气球，用固定在上面的长长的管子向天空喷洒硫化物。
Instead of being borne aloft by a balloon, it is dropped from a high-altitude and floats down on a parachute.
它(下投式探空仪)不是由气球载入高空，而是由高空投掷下来并靠降落伞由空中飘浮下降。
Instead of being borne aloft by a balloon, it is dropped from a high-altitude and floats down on a parachute.
它(下投式探空仪)不是由气球载入高空，而是由高空投掷下来并靠降落伞由空中飘浮下降。
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