Once they'd found us, a signal was sent to the valley with a flashlight.
他们已发现了我们，就用闪光信号灯向山谷发去了信号。
Ana Wisneski of the U.S. Coast Guard. Bring plenty of water to drink, sun protection, a flashlight, vital medications, and white sheets or colorful towels to signal rescuers.
带上足够喝的水、防晒用品、手电、救命药、白色床单或者颜色鲜艳的毛巾作为求救信号。
Ana Wisneski of the U.S. Coast Guard. Bring plenty of water to drink, sun protection, a flashlight, vital medications, and white sheets or colorful towels to signal rescuers.
带上足够喝的水、防晒用品、手电、救命药、白色床单或者颜色鲜艳的毛巾作为求救信号。
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