单词	secondary tundra
释义	secondary tundra 次生冻原
随便看	direct antonym direct antonyms direct aperture antenna direct-aperture antenna direct appeal direct appeal lead direct appeal to the public direct applicability direct applicant direct application direct approach direct approach to fitting direct arbitrage direct arc direct-arc directarc direct arc cast ingot direct-arc-cast ingot direct-arc conducting hearth furnace direct arc furnace direct-arc furnace direct arc heating directarcmelting direct-arc melting furnace direct-arc melting method 两地三人月两地不同栽两地俱秋夕两地新秋思两地江山万余里两地潸然两地离愁两地阴晴远不知两地魂消两处十分憔悴洋学洋室洋式洋弓洋書洋服洋本洋梨洋楽洋洋