Undertake an obligation
承担义务
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
He's the best pediatrician in Westchester.
他是全Westchester最好的小儿科医师。
What do you do for relaxation?
你做什么消遣？
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。