Beforehand, the students have been carefully prepared for the language learning experience.(在此之前，学生们已经做好了学习语言的准备。)
Does stretching beforehand help?(打球前做伸展运动有用吗？)
Were these stories really passed down through the generations or did you contact people and prep them beforehand?(这些故事真的是代代相传的吗，还是你与他们联系，请他们事先准备的呢？)
So my advice is to reduce problems by reading through your presentation beforehand and predicting potential points which could cause interruptions.(所以我的建议是，通过提前阅读你的演示文稿并预测可能会导致中断的潜在要点来减少问题。)
Know beforehand what you will do if equipment fails.(一定要事先想好，如果设备不能用的话怎么办。)
A schedule of energy supply is made beforehand.(事先人们会制定好一份电力供应表。)
I've been there beforehand.(我之前去过那些地方。)
As a further precaution, all the crows had been fed beforehand.(作为进一步的预防措施，所有的乌鸦都预先喂过食。)
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