| 例句 |
oceannoun the whole body of salt water that covers nearly three-fourths of the earththe ocean still holds mysteries that we are only beginning to unravel an immeasurable depth or spacewith a single bound from the top of the cliff, he propelled the hang glider into the ocean of air over the valley abysm, abyss, chasm, deep, gulf cleft, crevasse, crevice, fissurecavern, hole, hollow, pitbreadth, expanse, extent, reach, spread, stretchblack hole, emptiness, nothingness, vacancy, vacuity, vacuum, void in the 14th century |