| 词汇 | leaf rust | 
| 释义 | leaf rust  noun [ U ]  botany specialized /ˈliːf ˌrʌst/ /ˈliːf ˌrʌst/  (植物)叶锈病 a disease caused by a fungus (= a type of organism that gets its food from decaying material or other living things) that affects cereals (= plants grown to produce grain) and other crops  I have noticed quite a bit of leaf rust in the corn due to the cool and wet weather. 我注意到由于天气寒冷潮湿,玉米中有相当多的叶锈。   The fungus, called leaf rust, thrives in shady, moist environments. 
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