他患病的膀胱使得他小便失禁。
我和我妻子就为一患膀胱感染而需要肾检查的拉布拉多猎犬花费了600美元，同时为另外一只爪子受伤的拉布拉多猎犬支付了300美元。
My wife and I spent $600 on one Labrador retriever with a bladder infection who needed some kidney tests and $300 on the other one for an injured paw.
当小生物游过时，它们会弯曲膀胱上的毛发，导致膀胱瓣打开。
When small creatures swim past, they bend the hairs on the bladder, causing a flap to open.
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