这是一个不太坚固的支撑位。
水坝不太坚固，挡不住洪水，结果河水冲破堤岸，淹没了河边的房子。
The dam was not strong enough to hold back the flood waters, so that the river had burst its Banks and flooded the houses by the river.
水坝不太坚固，挡不住洪水，结果河水冲破堤岸，淹没了河边的房子。
The dam was not strong enough to hold back the flood waters, so that the river had burst its Banks and flooded the house by the river.
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