這種結(jié)實(shí)的高強(qiáng)度塑料盒子在水下100英尺以?xún)?nèi)是防水的。The durable high-impact plastic case is water resistant to 100 feet.鱷魚(yú)把它的捕獲物按在水下淹死.The crocodile killed its prey by keeping it under and drowning it.汽車(chē)沉在水下20英尺處.The car was submerged under 20 f...