英语词汇“is at pains”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	is at pains
释义	is at pains prep. 费尽力气
随便看	rotor control mechanism rotor cooling rotor copper rotor copper loss rotor core rotor-core assemble rotor-core assembly rotor-core lamination rotor cover rotor craft rotorcraft rotorcrafts rotor critical speed rotor current rotorcycle rotor damaged by negative sequence current rotor darrieus rotor debarkers rotor depression rotor design rotor diameter rotor digger rotor disc rotor disintegration rotor disk 兰佩紫兰叶春葳蕤兰叶春葳蕤兰叶春葳蕤兰帐玉人睡觉兰情蕙盼兰成憔悴兰桡双桨急兰桡殊未返兰汤晚凉あさっぷ拡張現実拡散拡販括括る括る括れる括ル括ル