bladder balloon
Gas dilates the balloon.
气体使汽球膨胀。
—— 给力词典精选The balloon is descending down.
汽球在下降。
—— 辞典例句The balloon descended in Poland.
汽球落于波兰境内。
—— 辞典例句In countless films, a small, neglected child gets handed some balloons and then floats away.
在许多电影中, 某个疏人照顾的小孩, 从别人手里拿了几个汽球后就飘走了。
—— 给力词典精选How many balloons would it take to lift a boy off of the ground?
需要多少颗汽球才能将小男孩抬离地面?
—— 给力词典精选