同根派生 sign over相关词英汉例句The top floor of the building was signed over for use as offices.大樓的頂層已簽約售出作爲辦公室之用。He nailed up a sign over the door which said: "No Admittance."他在門上釘了一塊牌子,上麪寫著:“禁止入內”。sign over更多例句