The boat bobbed like a cork on the waves: light and buoyant.
小船在大浪中犹如软木塞，轻轻漂来漂去。
In the cork and wax will test tubes and put them in the mouth shut alcohol light and heat.
用软木塞及蜡将试管口封死后，放在酒精灯上加热。
In the cork and wax will test tubes and put them in the mouth shut alcohol light and heat.
用软木塞及蜡将试管口封死后，放在酒精灯上加热。
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