单词	Mariana Trench
释义	Mariana TrenchMariana Trench the Mariana Trench the deepest part of the Earth's surface, which is near the Mariana Islands in the northwest Pacific Ocean
随便看	bottomless bottom-line bottom line bottommost bottom-up botulism Boudicca boudoir bouffant bougainvillea bough bought bouillon bouillon cube boulder Boulder Dam boulevard Boulez, Pierre Boulogne bounce bouncer bounce rate bouncily bounciness bouncing

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