half-hardy biennial半耐寒二年生植物
half-hardy annual半耐寒一年生
half-hardy vegetables半耐寒性蔬菜
half-hardy plant半耐寒植物
"half-hardy annuals"
ADJ（形容词） (of a cultivated plant) able to survive out of doors except during severe frost (耕作植物)能够在严峻的霜冻中在室外活下来的