1. The motorboat skimmed over the water.
   汽艇从水面上飞掠而过。
2. The enemy plane skimmed over the heads of the refugees.
   敌机从难民头上掠过。
3. The motor-boat skimmed over the water.
   汽艇在水面飞掠而过。
4. Gulls skimmed over the waves.
   海鸥掠过波浪。
5. The hovercraft is able to skim over the water.
   气垫船能掠过水面飞速行驶。

　2个动词解释