Our freedom to operate in space is also essential to detecting and destroying any missiles launched against the United States.
detect 察觉
Arnold could detect a certain sadness in the old man's face.
阿诺德能察觉到老人脸上的某种悲伤 。
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Our freedom to operate in space is also essential to detecting and destroying any missiles launched against the United States.
detect 察觉
Arnold could detect a certain sadness in the old man's face.
阿诺德能察觉到老人脸上的某种悲伤 。