weaken

vt.削弱，使变弱

wayfaring, waylay, Wayle, wayside, wayward, waywardness, WC, WCC, we, we'd, we'll, we're, we've, WEA, weak, weak form, weak-kneed, weak-minded, weak-mindedly, weak-mindedness, weakling, weakly, weakness, weal, wealth, wealthily, wealthy, wean, weapon, weaponry, weapons, wear, wear off, wear out, wearable, wearer, wearily, weariness, wearing, wearing-out,