1. The ancients conceived the earth as afloat in water. 古人认为地球漂浮在水里。
2. We kept her afloat for a couple of hours by bailing frantically. 我们拼命往外舀水让船漂浮了几个小时。
3. Icebergs afloat today are made of snowflakes that have fallen over long ages of time. 今天漂浮在水面上的冰山由很多年前降落的雪花形成。
4. While the swimmer's movements may be smooth and fluid, people have neither fins to stay afloat or generate speed, nor gills to deal with going under. 虽然游泳者的动作可能是平稳和流畅的,但人们既没有鳍来保持漂浮或产生速度,也没有鳃用于在水下呼吸。