学个词 Learn a Word-VOA英语教学 2800 unannounced

今天我们要学的词是 unannounced. Unannounced 形容词，事先未经宣布的。U.S. Defense¹ Secretary Jim Mattis made an unannounced visit to Afghanistan. 美国国防部长马蒂斯对阿富汗进行了事先未经宣布的访问。U.S. Vice² President Pence made an unannounced visit to the demilitarized zone between North and South Korea during his 10-day Asia trip. 美国副总统彭斯在十天亚洲之行中对朝鲜半岛非军事区进行了事先未经宣布的访问。好的，我们今天学习的词是 unannounced, unannounced, unannounced...

1 defense   

n.防御，保卫；[pl.]防务工事；辩护，答辩

参考例句：

• The accused has the right to defense.被告人有权获得辩护。
• The war has impacted the area with military and defense workers.战争使那个地区挤满了军队和防御工程人员。

2 vice   

n.坏事；恶习；[pl.]台钳，老虎钳；adj.副的

参考例句：

• He guarded himself against vice.他避免染上坏习惯。
• They are sunk in the depth of vice.他们堕入了罪恶的深渊。