原来，渤海是个大海盆，就像洗脸盆一样，四面高，中间低。

Original, the Bohai sea is a sea basin, resemble lavatory same, all around tall, among low.

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山东沿海地处我国黄海、渤海两大海域，是船舶进出渤海湾和南北交通物流海上运输的重要通道。

Shandong coast, located in China's Yellow sea and Bohai sea, is the major channel of ships in and out of Bohai Bay and of the sea transportation of north-south logistics.

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