Captive balloon
系留氣球
?? 牛津釋義
captive balloon
balloon held to the ground by a cable 系留氣球（用繩索系在地面上的）.
?? 詞語組成解析
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
Two heads are better than one.
三個臭皮匠勝過一個諸葛亮。
The walls are three inches thick.
這墻3英寸厚。
Letters will cost a little more, but they will certainly travel faster.
這樣會稍微多花點錢，但肯定是快得多了。