Obligatory bond
[经] 强制性的债券
🧩 词语组成解析
🗣️ 情景例句
He has a large family to feed.
他要养活一个大家庭。
He is too lazy to move but luckily he has strong toes.
他虽然懒惰得不肯动，但是幸而有强壮的脚趾。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。