detectable例句
        Doctors say the disease is probably inherited but not 
detectable at birth.
医生说该疾病可能是遗传而来,但在出生时无法查出。
Dark matter gives out no light and is 
detectable only because of its gravitational effect on visible matter.
暗物质不发光,它之所以能被发现,只是因为它对可见物质产生引力作用。
The noise is barely 
detectable by the human ear.
人的耳朵几乎是察觉不到这种噪音的。