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。
A small amount of light powder of cork dust is sprinkled uniformly along the tube.
少量的轻粉末或软木屑均匀地撒在管内。
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