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...
The infestation of avocado root rot disease is not visually detectable.鳄梨树根腐病的感染用视觉是无法探测出来的.Contrarily , in 10 inflammation and 10 normalbronchial mucosa no detectable MG - Ags were found.10例肺部炎症和10例正常粘膜MG─AgS则均为阴性.Dark ...