That is when it's not covered in snow and there is no frostcovering the grass and vegetative parts of a plant's herbs and the flowers the marmots like to eat.
那时，地上没有冰雪覆盖，草木也没有结霜，土拔鼠喜欢吃的植物嫩芽和花蕾正开始生长。
2
University of Arizona extension experts say covering plants and small trees with cloth or paper can help prevent frost damage.
亚利桑那扩展大学的专家说用外套和纸覆盖作物和小树能帮助防止冰冻灾害。
3
Uncle standing behind Mother amused, and laughed, Mother laughed with her hand covering her mouth, then looked frost waitresses are smiling.