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1、announce
宣布;宣告;公布
He will announce tonight that he is resigning from office.
他将于今晚宣布辞职。
She was planning to announce her engagement to Peter.
她正计划宣布她和彼得订婚一事。
（机场或火车站工作人员通过扬声器）播报，通知
Station staff announced the arrival of the train over the tannoy.
车站工作人员通过广播告知火车到站了。
They announced his plane was delayed.
广播通知他所乘的航班晚点了。
（以信件、声音、信号等）通知，告知
The next letter announced the birth of another boy.
下一封信通知又一个男孩出生了。
His entrance was announced by a buzzer connected to the door.
他刚一进去，与门相连的门铃便嗡嗡作响。
2、progressive
进步的；先进的；革新的
a progressive businessman who had voted for Roosevelt in 1932 and 1936.
在1932年和1936年投票支持罗斯福的开明商人
Willan was able to point to the progressive changes he had already introduced.
维兰能够找出他已经采用的一些革新。
（变化等）逐渐的，逐步发生的，逐步发展的
One prominent symptom of the disease is progressive loss of memory.
这种疾病的一个显著症状就是记忆逐渐丧失。
the progressive development of a common foreign and security policy.
共同外交与安全政策的逐步发展
