慢速英语:Google Maps Tool Lets Users Share Their Location with Friends

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1.track n.小路，小道; 痕迹，踪迹
例句：We set off once more, over a rough mountain track.
我们沿着一条崎岖的山间小路再度出发。

2.choose vt.挑选; 认为…比其它更可取
例句：They will be able to choose their own leaders in democratic elections
他们将能够通过民主选举选择自己的领导人。

3.navigate vt.驾驶; 航行于; 使通过
例句：You navigate between the World Map with a virtual PSP.
你通过一个虚拟的PSP探索世界地图。

4.cancel vt.取消，注销; 抵消
例句：The Russian foreign minister yesterday cancelled his visit to Washington
俄罗斯外交部长昨天取消了对华盛顿的访问。

5.announcement n.宣告; 通告; 布告; 预告
例句：Sir Robert made his announcement after talks with the President
在与总统会谈之后，罗伯特爵士发表了声明。