worthwhile

a.值得干的，有价值的

worn-out, worried, worriedly, worrier, worrisome, worry, worry about, worrying, worse, worse off, worsen, worship, worshipful, worst, worsted, worth, worthily, worthiness, worthless, worthlessness, worthy, worthy of, would, would rather, would rather do, would rather...than, would-be, wouldn't hear of, wound, wounded, wove, woven, wow, WP, wpb, WPC, wpm, WPS, WRAC, wrack,