n.信號；標志
v.(發(fā)信號)通知、表示
adj.顯著的
I corrected my watch by the time signal. 我按報時信號校正我的表。
I've called several times, but I keep getting a busy signal. 我打了好幾次了,可是一直是忙音。
We live too far from the city to get a strong television signal. 我們住的地方離城里太遠, 不能收到清晰的電視圖像。
Her speech yesterday is a signal that her view has changed. 她昨天的講話標志著她的觀點已經轉變。
用作動詞 (v.)The police signalled the traffic to move forward slowly. 警察向來往車輛打信號，示意緩慢前行。
The submarine signaled for help. 潛水艇發(fā)出求救的信號。
用作形容詞 (adj.)People speak of Mark Twain as a signal humourous writer. 人們稱馬克·吐溫為杰出的幽默作家。
This is a signal success. 這是顯著的成功。
signal用作及物動詞時,可接名詞、代詞或that/wh從句作賓語。signal還可接雙賓語,常以帶或不帶疑問詞的動詞不定式作直接賓語,其間接賓語可以由介詞to引出, to可以省略。不用于被動結構。
signal還可用作形容詞,意思是“明顯的,(非常)顯著的,非凡的”。例如:This is a signal failure.這是明顯的失敗。People speak of Mark Twain as a signal humorous writer.人們稱馬克·吐溫為杰出的幽默作家。
adv.顯著地；顯眼地
n.信號手
