whenever

conj.无论何时；每当

wheedle, wheel, wheel-house, wheelbarrow, wheelbarrow (also barrow), wheelbase, wheelchair, wheeler-dealer, wheelie, wheeling-dealing, wheelwright, wheeze, wheezily, wheeziness, wheezy, whelk, whelp, when, when it comes to, whence, where, whereabouts, whereas, whereby, wherein, whereof, whereupon, wherever, wherewithal, whet, whether, whether...or, whether...or not, whetstone, whew (also phew), whey, which, whichever, whiff, while,