Sings
n. 合唱；歌聲（sing復(fù)數(shù)形式）
??? 情景例句
Tell me about your educational background.
告訴我你的學(xué)習(xí)背景。
He recommended me for the post of principal.
他推薦我擔(dān)任校長。
Would you be kind enough to sign our visitors book?
請在來賓簿上簽名好嗎？