adj.帶正負號的；已簽字的

動詞sign的過去式和過去分詞.

The football team has signed two new players. 該足球隊已簽約聘用了兩名新隊員。

The Government has signed a treaty with Moscow. 政府已與莫斯科簽了一項條約。

The buyer and seller have signed the contract. 買賣雙方已經(jīng)簽定了那項合同。

They signed the agreement and the documents appended thereto. 他們簽署了協(xié)議與附件。

They signed a petition in support of the workers' demands. 他們在請愿書上簽名，支持工人的請求。

A signed invoice presumes receipt of the shipment. 經(jīng)過簽字的發(fā)票表示貨物已經(jīng)收到。

At thirty, he signed on as first mate with a cargo ship. 他30歲時受雇于一艘貨船當了大副。

v.分配；轉(zhuǎn)讓；把…歸因于（assign的過去式和過去分詞）

adj.給定的；賦予的，已知的

adj.認命的；順從的；聽任的

動詞resign的過去式和過去分詞.

adj.有計劃的；故意的

動詞design的過去式和分詞過去分詞.

vt.交付；放逐；委托

vt.再交付；交還；再分配

adj.未簽約的；未簽名的；無符號的