push-and-pull

常见例句

• We sell good quality Forks, Clamp, Push and puller and other attachments.
  我們經營各種高品質的叉子，夾抱器，推拉器和其它屬具。
• The relentless push and pull of coevolutionary life eventually brings into its game the abiotic stuff of the universe.
  共同進化生命的無情的相互推拉，最終將宇宙中的非生命物質帶入它的把戯之中。
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