helleboresin

例句：

1. 1. The helium-filled balloons were released into the sky.
   充满氦气的气球被释放到天空中。
2. 2. The helium-filled balloons were released into the sky.
   充满氦气的气球被释放到天空中。
3. 3. The helium-filled balloons were released into the sky.
   充满氦气的气球被释放到天空中。