A sounding balloon
探测气球
🧩 词语组成解析
sounding
['saundiŋ]
n. 探通术;
v. （使）发出声音，响( sound的现在分词 );发（音）;试探;探测;
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
But what can I do?
但我能帮什么忙？
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
Make sure that all bottles are opened in your presence,
确保瓶子是当着你的面开启的，