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1.upwards of 超过；...以上
Upwards of 70 percent of U.S. couples are cohabiting these days before marrying, the researchers estimate.
研究者预计，目前超过70%的美国夫妇婚前同居
2.shelf life 使用期限；保质期
For taste, pick something with a long shelf life like chocolate.
味觉上，挑一些保存期限长一些的食品，如巧克力。
3.blink out 消失
They shared their breakfast here, watching the stars blink out as the sun spread its amber mantle over the meadows and hills.
他们在这里分享了早餐，看着星星一闪一闪的消失在天幕下，太阳将琥珀色的斗篷披在牧场和山丘上。
