B grade
[经] 乙级
🧩 词语组成解析
🗣️ 情景例句
His father has to sell the farm to pay back the bank.
他的父亲不得不把家声卖掉以还债给银行。
Opportunity only knocks once.
机不可失，时不再来。
So we had to find another way back.
因此我们得另找路回来。