The weather turned warm unexpectedly, making the trees burst into leaves.

天气意想不到地转暖使树木突然长出了叶子。

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Unexpectedly, my shoulders felt a big hug from this tall man, and I felt warm. He had on a nice warm winter coat.

我话音刚落，我的肩膀毫无准备地被一双强有力的手拥抱了。我感到一阵温暖。他穿了一件很暖和的大衣。

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WONDERWIND - pleasant type of ridge lift that provides unexpectedly good altitude gains. Created when warm air is released from a valley as upper air cools.

奇迹风-一个讨人喜欢类型的山脊上升气流，能出乎意料提供良好的高度收益。这是暖气流被从山谷释放至高空冷却造成的。

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