There was seaweed floating about on the surface of the water
有些海草漂浮在水面上。
His life jacket buoyed him up.
救生衣使他浮在水面。
A landing platform attached to a wharf and floating on the water.
浮台固定在码头且浮在水面上的着陆平台
The children use water wings to keep themselves up in the water while they're learning to swim.
孩子们在学游泳时常用浮圈使自己浮在水面。
Ice is not so dense as water and therefore it floats.
冰的密度小于水，因此能浮在水面上。
Wreckage or cargo that remains afloat after a ship has sunk.
漂浮物沉船后仍漂浮在水面上的残片或货物
The children use water wings to keep themselves up in the water while they are learning to swim.
孩子们学游泳时用浮圈使自已浮在水面上。
A glider buoyed by air currents.
通过流浮在水面上的滑翔机
This isle was then floating and unstable.
这座小岛漂浮在水面上并且不稳定。
He asked his father, "How does this boat float?
他问爸爸：“船为什么能浮在水面上啊？”
Why can a submarine float and sink?
为什么潜水艇既能浮在水面，又能潜入水底？
"Errors, like straws, upon the surface flow; he who would search for pearls must dive below"
错误像稻草,漂浮在水面欲觅珍珠者,须往水下潜
tending to float on a liquid or rise in air or gas.
倾向于浮在水面上或者在空气、气体中飘
a suBmarine surfaced outside the harBor.
潜水艇在港外浮到水面。
Leaves floated on the water.
树叶浮动在水面上。
Plants that float on the surface of bodies of fresh water.
漂浮植物漂浮在淡水水体表面上的植物
and put quicksilver in'em and set'em afloat,
灌上水银，放在水面上浮着。
If you pour oil on water, it floats.
如果你把油倒在水中，油就浮在上面。