Rituals
n. （宗教等的）儀式( ritual的復數形式 ); 例行公事, 老規矩
??? 情景例句
Thank you. I'll make out the contract for you to sign tomorrow.
謝謝。我將起草合同，明天就簽。
The still sow eats up all the draff.
不聲不響的豬吃光全部的飼料。
The question was, which one?
問題是，哪一種氣體導致火災呢？