n. 情形;国家;州>> 例句

    vt. 支撑,承担;维持;忍受;供养;证实>> 例句
    1. He holds the last note of the hymn in a sustain, and then lowers his violin.

    vi. 放弃;自制;避免>> 例句

      adj. 大量的;重大的;牢固的;结实的;价值巨大的;大而坚固的; 构成事物的根基;根基雄厚的;material 是实体物质; n. 本质;重要材料;>> 例句
      1. I'm saving I need to do something substantial in order to get the attention of the clubs.
      2. ELIZABETH (CONT'D) Comes highly recommended. Charges substantial fees in order to help the poor.

      n.停滞,停顿;停止;累倒,困顿; adj.(引起)停顿的,停滞的>> 例句
      1. Everything comes to a standstill.

      持续性、能维持性或永续性。它通常用于描述环境、经济、社会等方面的可持续性,强调在满足当前需求的同时不损害未来世代满足其需求的能力。>> 例句