我们应当勤奋地而且忠诚地献身于我们的职责.We should devote ourselves assiduously and faithfully to the duties of our profession.作家已年过八旬,但她仍在勤奋地创作.The writer's past eighty but she's still writing industriously.他勤奋地全神贯注于这项工作.He appli...