hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement
Secale cereale的用法和樣例:
例句
The plant dry weight of secale was the highest and that of triticum was the lowest. 各生育時期生物產量以黑麥最高,小黑麥次之,普通小麥最低。