Some biennials can be induced to act as annuals and flower in the first year by appropriate cold or hormone treatments. 适当的低温或激素处理可以诱导一些二年生植物变成一年生植物并且开花。
two-year英英释义
Adjective:
having a life cycle lasting two seasons;
"a biennial life cycle" "parsnips and carrots are biennial plants often grown as annuals"