| 例句 |
obstructionsnounpl. of obstruction something that makes movement or progress difficultan obstruction in the drain has the water all backed up balks, bars, blocks, chains, clogs, cramps, crimps, deterrents, drags, embarrassments, encumbrances, fetters, handicaps, hindrances, holdbacks, hurdles, impediments, inhibitions, interferences, lets, manacles, obstacles, shackles, stops, stumbling blocks, trammels catches, hitches, rubs, snagsbarriers, blockades, blockages, brick walls, stone wallsarrests, bits, brakes, checks, constraints, curbs, hobbles, reins, restraintsembargoes, stoppagesdelays, holdups, stallsburdens, cumbers, loadsdangers, hazards, perils, reefsadversities, difficulties, disadvantages, drawbacks, hardships catalysts, goads, impetuses, incentives, spurs, stimulants, stimuliadvantages, breaks, edgesaids, assistances, benefits, boosts, handmaidens(also handmaids), help |