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1·These plants float on the surface of the water.

这些植物漂浮在水面上。《牛津词典》

2·If steel is heavier than water, why are ships able to float on the sea?

如果钢比水重，为什么船能在海上漂浮？

3·Most float on water only a short time before they tire, sink, and drown.

大多数浮在水面上的时间很短，之后它们就会疲劳、下沉、淹死。

4·All are slowly moving because the plates float on a denser sem-iliquid mantle, the layer between the crust and Earth's core.

所有板块都在缓慢移动，因为它们漂浮在密度更大的半流体地幔上，也就是地壳和地核之间的那一层。

5·All are slowly moving because the plates float on a denser semi-liquid mantle, the layer between the crust and Earth's core.

所有板块都在缓慢移动，因为它们漂浮在密度更大的半液态地幔上，也就是地壳和地核之间的那一层。

6·The Earth's crust is thought to be divided into huge, movable segments, called plates, which float on a soft plastic layer of rock.

人们认为地壳分成了巨大的、可移动的部分，称为板块，这些板块漂浮在柔软可塑的岩石层上。

7·Spores light enough to float on the breezes were carried thousands of miles from more ancient lands and deposited at random across the bare mountain flanks.

轻到能在微风中漂浮的孢子从更古老的地方被带到数千英里外，随意沉积在光秃秃的山侧。

8·Can you float on your back?

你能仰浮吗？《牛津词典》

9·If steel is heavier than water, why are ships able to float on the sea.

如果钢比水重，为什么船能在海上漂起来。

10·The logs float on the river.

圆木在河上漂浮着。