英语
西班牙语
- establish bridgehead
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西班牙语
英语
单语范例（未经PONS编辑处理）
Each such bridgehead carbon has three (ethylenic) pi bonds while two are needed for the di-pi-methane rearrangement.
en.wikipedia.org In this compound the deviation from planarity is 13 for the benzene ring and 17 for the bridgehead carbons.
en.wikipedia.org Reopening of the lane was of utmost importance in order to successfully ensure the defence of the bridgehead, which would have otherwise been seriously jeopardised.
en.wikipedia.org The guards riflemen widened the bridgehead to ten kilometres along the front.
en.wikipedia.org By 16:30 eight waves had brought across the canal ten infantry brigades in all five bridgeheads, totaling 23,500 men (around 4,700 at each bridgehead).
en.wikipedia.org