开辟to open up

• 开拓创新

  open up and innovate

• 开拓边疆

  open up border regions

• 开拓熟荒地

  develop abandoned wasteland

• 为创作开拓了新的道路

  pioneer new paths for creativity

• 开拓市场

  open up a market

• 开拓国际市场

  open up the international market

• 开拓出片片葡萄园和农田

  open up acres of vineyards and fields

指采矿前的工序to develop