Obligatory bond
[经] 强制性的债券
🧩 词语组成解析
🗣️ 情景例句
The next thing they'll see is this enlargement with the words Family Album,
他们接着看到的是U.S.A. Family Album, U.S.A.这几个放大的字。
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。