单词	labour in vain
释义	labour in vain 无效劳动,徒劳
随便看	Nagasaki Marine Observatory nagasaki monogatari (japan) nagasakis nagasawa nagase nagash nagashes nagashima Naga-shima nagashimalite nagasu nagasvaram (india) nagaswaram na-gat nag at nagata Nagata-misaki Nagata ring nagatas nagatelite Nagate-zaki nagative charged particle nagative cotton nagative mindset nagative picture phase 撺人上屋拔梯子撺人上屋，下楼拔梯撺断上竿掇了梯。撼山易，撼岳家军难撼山易，撼岳家军难。” 擀面杖变成吹火筒，多了个窟眼擀面杖吹火，一窍不通擀面杖吹火，不通气儿擀面杖吹火，节节不通风擀面杖当笛子吹，白费劲儿公私公积金公称公空公立公章公筷公粮公綦公约