onion smut
短语洋葱黑粉病，葱黑粉病
释义与例句
n.
-
1.
A disease of the seedlings of the onion caused by the fungus Urocystis cepulae which causes black elongate blisters on the bulb and leaves of the plant.
不可数 -
2.
The fungus Urocystis cepulae.
不可数