firms
词形变化：
副词: firmly | 形容词比较级: firmer | 形容词最高级: firmest | 名词: firmness | 动词过去式: firmed | 动词过去分词: firmed | 动词现在分词: firming | 动词第三人称单数: firms |
同义词：
solid | secure | company | business | corporation | partnership | determined | compress | harden | press down | solidify | stiffen | multinational | organization | inflexible | fixed | stationary | unyielding | immovable | rigid | enterprise | strong | stiff | hard | stable | definite | steady | tauten | fast | business firm | immobile | steadfast | unwavering | unfluctuating | unwaveringly | unshakable | truehearted | steadfastly | house | unbendable | firmly | unfaltering | loyal |
反义词：