副词secretly adv. 秘密地背地里
例句：
He claims that several countries have developed nuclear weapons secretly.
他声称几个国家已经秘密开发了核武器。
扩展资料
Anna secretly put a pair of blue gloves under the Christmas tree.
安娜偷偷地把一双蓝色手套放在圣诞树下。
Drones can watch secretly on populations of animals in the wild， especially endangered ones.
无人机可以秘密观察野生动物的`数量，特别是濒临灭绝的动物。
She was secretly pleased to see him.
见到他，她心中窃喜。
He secretly tried to help her at work.
他试图悄悄地在工作上帮助她。
副词是secretly，中文意思是adv. 秘密地暗自感觉地，私底下地
His wife Marie secretly entered him for the championship.他的妻子玛丽偷偷给他报名参加锦标赛。
She was secretly vetted before she ever undertook any work for me.
她在为我承担任何工作之前受到了秘密审查。
secret adj. 秘密的，机密的不公开的善于掩饰自己的
n. 秘密，机密秘诀奥秘默祷
secretly adv.秘密地，背地里
