Railroad bonds
[经] 铁路债券
🧩 词语组成解析
n. 镣铐, 监禁
🗣️ 情景例句
using as many letters as possible.
尽可能多用字母，
They say everything.
他们什么事都说。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。