慢速英语:Switzerland Opens World’s Longest, Deepest Rail Tunnel

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1. reduce vt.减少; 缩小; 使还原
例句：She exercises to reduce the waistline.
她为减小腰围而锻炼。

2. celebrate vt.庆祝; 祝贺; 举行宗教庆典
例句：I was in a mood to celebrate.
我很想庆祝一下。

3. effect n.效果; 影响; 印象
例句：An insurance certificate has the same effect as an insurance policy.
保险凭证与保险单具有同样的效力。

4. stretch adj. 可伸缩的; 弹性的
例句：A broad stretch of lowly coast lay before the eyes of the men.
一大片低平的海岸展现在他们眼前。