westerly trough

英 美
  • 西风槽
  • trough n.水槽;马槽;低谷;低潮
  • westerly adj.向西的;自西的adv.向西;往西;自西n.西风
    1. A trough has weakened the ridge north of NANGKA and a weakness has been created.
      一道西风槽令浪卡北面的副热带高压脊减弱,并构成弱点。
    2. The ridge is expected to be eroded by a mid-latitude trough so as to induce a recurvature.
      预料一道西风槽的到来将会令该副高减弱,茉莉将得以转向。