Uls
abbr. unsecured loan stock 不稳定的借贷股票
🗣️ 情景例句
I work with families every day, Ellen.
我每天的工作就是接触一些家庭， Ellen。
It was a six-hour flight.
它要6小时的飞行。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。