They could also exchange their empty bottles for presents such as lanyards, bags and ponchos, which proved to be very popular as it threatened to rain on the second day of the show.
参观者还可以用他们手中的空瓶兑换手带，环保袋和雨披等小礼品。 音乐节第二天在天空阴沉快下雨时，雨披一下变得非常畅销。
Many families open Christmas presents on Christmas Day but some may exchange gifts of Christmas Eve.
圣诞节当天有许多家庭会打开圣诞节礼物，但有一些会在这时候交换平安夜礼物。
This paper presents a survey of application situation of the introduced techniques in order to promote exchange and quicken digestion and absorption.
本文就引进技术的应用状况作一简要评述，以促进交流，加快引进技术的消化吸收。
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