Hidden的用法

行政学的英文：science of administration; science of public administration参考例句：Some crisis and hidden dangers remain existent behind the external flourish in Chinese public administration study.在表面的繁荣背后，中国

何处的英文：whencewhere参考例句：Where did you land? We landed at Bombay.你们在何处上岸的?我们在孟买登陆。..Mists have wet the fragrant meadows; A spring dove calls from some hidden place.微雨霭芳原,春鸠鸣何处?