Spirochetes
螺旋原虫
🗣️ 情景例句
You made a favorable impression on the examiners.
你给主考留下了很好的印象。
First impressions are most lasting.
最初的印象最为持久。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。