A sounding balloon
探測氣球
?? 詞語組成解析
sounding
['saundi?]
n. 探通術;
v. （使）發出聲音，響( sound的現在分詞 );發（音）;試探;探測;
balloon
[b?'lun]
n. 氣球;熱氣球;[建]球飾;
vt. 膨脹，漲大;乘熱氣球飛行;使激增;
adj. 氣球狀的;（貨物等）分量輕而體積大的;（分期付款）最后一筆大數目的;
vi. 乘氣球飛行;膨脹;激增;
ball球+oon表名詞 → 氣球
??? 情景例句
Please try to keep relaxed, sir.
別太緊張，先生。
He was pale with fear.
她嚇得臉色刷白。
an illness which at twelve would knock us over,
使我們在12歲時病倒的疾病，