[ balloon ]的复数形式
- China started to explore the upper atmosphere using rockets and balloons in the early 1960s.
中国在二十世纪六十年代初期开始利用探空火箭、探空气球开展了高层大气探测。 收藏 - The balloons were popping when the children burst them.
气球被孩子们弄破时发出"砰砰"的响声。收藏 - Helium is a gas used in balloons
氦是一种用于气球的气体。收藏 - The children were popping balloons.
孩子们把汽球弄得劈啪作响.收藏 - with balloons and hot dogs.and fireworks galore(Anne Armstrong)
有气球、热狗…和大量的焰火(安妮·阿姆斯特朗)收藏
开心词场背单词

