An observation balloon
气象观测气球
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
balloon
[bə'lun]
n. 气球;热气球;[建]球饰;
vt. 膨胀，涨大;乘热气球飞行;使激增;
adj. 气球状的;（货物等）分量轻而体积大的;（分期付款）最后一笔大数目的;
vi. 乘气球飞行;膨胀;激增;
ball球+oon表名词 → 气球
🗣️ 情景例句
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
What is the color of your new book?
你的新书是什么颜色的？
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”