close and constant observation meaning in English
持续不断的观察
Examples
- No really satisfactory photograph has ever been taken of one in a wild state , no zoologist , however intrepid , has been able to keep the animal under close and constant observation in the dark jungle in which he lives
没有谁拍摄过一张真正令人满意的野生状态下的大猩猩的照片，至今还没有任何一位动物学家，不管他多么勇敢，能够在大猩猩所生活的黑暗丛林里对这种动物进行过细致而持久的观察。