| 单词 | valuable |
| 例句 | valuable adjective 1.•a valuable watch:precious, costly, pricey, expensive, dear, high-priced, high-cost, high-end, upscale, big-ticket | worth its weight in gold, priceless. ANT cheap, worthless. 2.•a valuable contribution:useful, helpful, beneficial, invaluable, crucial, productive, constructive, effective, advantageous, worthwhile, worthy, important. ANT useless. |
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