单词	invain
释义	您要找的是不是： in vain 徒然；无效 in pain 痛苦 invain 网络释义 1 ?徒然 ... vagueadj.模糊的，不明确的，不确定的 vainn.徒劳，白费。 invain徒然，枉然 ... 2 ?平白 ... 使…白〖turnwhite〗白白,平白〖invain;fornoreason〗单单;只是〖only〗 ... 3 ?白费 ... inturn听听好听的英文短语依次,轮流;转而 invain白费,白费力 insteadof代替,而不是 ... 4 ?徒劳 ... inno/goodtime立刻；马上，一转眼工夫；迅速地；恰好 invain徒劳；无益 inviewof鉴于；考虑到 ... 短语 1 INV INVain 无效双语例句 1 Youthought that, on the tall wall grows vegetables is not uses energy invain? 你想想，高墙上种菜不是白费劲吗？
随便看	pitch up pitch face pitch-faced pitch face pitch factor pitch fault pitch-feedback mechanism pitch feedback mechanism pitch fiber pitch fibre pitch fibre pipe pitch fibrepipe pitch-field pitch-fir pitch following up amplifier pitch follow-up device pitch follow-up system pitch for Pitchford pitch-fork pitchfork pitch fork pitchfork bifurcation pitchfork pitchfork