If something is discernible, you can see it or recognize that it exists.
例句
Far away the outline of the island is just discernible...远处,岛屿轮廓仅依稀可辨。There has been no discernible overall trend since 1975.自 1975 年以来一直没有一个明朗的大趋势。
英汉词典释义
adj.
可识别的
a discernible change in the weather看得出的天气变化Her face was barely discernible in the gloom.在黑暗中几乎辨认不出她的脸来。The difference between the two is readily discernible.两者之间的差别不难看出。
英英词典释义
Adjective
1. perceptible by the senses or intellect;
"things happen in the earth and sky with no discernible cause""the newspaper reports no discernible progress in the negotiations""the skyline is easily discernible even at a distance of several miles"
2. capable of being perceived clearly;
"an essay with a meaning that was not always discernible"
3. capable of being seen or noticed;
"a discernible change in attitude""a clearly evident erasure in the manuscript""an observable change in behavior"