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N-COUNT
				海龟;玳瑁
				A turtle is a large reptile which has a thick shell covering its body and which lives in the sea most of the time.
 
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N-COUNT
				龟
				A turtle is any reptile that has a thick shell around its body, for example a tortoise or terrapin.
 
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PHRASE
				(船)倾覆,翻身
				If a boat turns turtle, it turns upside down when it is in the water.
例句
						The tug nearly turned turtle twice, but I managed to keep her upright.
						拖船两次都差点翻个儿,但我设法稳住了船身。