yóu dī / xuán fú / zài / shuǐ miàn / fù jìn / shuō míng / liǎng zhǒng / yè tǐ / de / mì dù / chā yì / bú dà

油滴悬浮在水面附近，说明两种液体的密度差异不大。

The oil droplets are suspended near the surface of the water, indicating that the two liquids do not differ greatly in density.