小北江、白坭河、沙贝海等河流沿该区西部汇入珠江。
Beijiang small, white Nai river, Sha Beihai, and other rivers along the west into the area of Pearl river.
海笋，穿石贝海笋科中的一种海类甲壳软体动物，有长的甲壳，可以借之伸入到木头、岩石和泥土中，常引起对码头堆放物的破坏。
A Marine bivalve mollusk of the family Pholadidae, having a long shell with which it bores into wood, rock, and clay, often causing destruction of wharf pilings.
贝丝谈及海默医生时赞不绝口。
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