blow up the balloons 吹气球 ; 给汽球充气
They were asked to write their names on their respective balloons carefully so that the balloons wouldn't blow out.
他们被要求在各自的气球上小心地写下自己的名字，这样气球就不会爆了。
My 5 year old brother and 85 year old grandma decided to decorate the house with balloons and a blow up "people" they found in my room.
我5岁的弟弟和85岁的老外婆决定用我房间的‘气球’和‘吹起来的人偶’做装饰。
Blow up balloons and then slowly let out the air by narrowing the opening of the balloons.
吹大气球，然后把气球口放开一点点，放出空气。
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