例文
- An intermediate well will be drilled to 500 metres and also two shallow 250 metre wells.
- The next member is "'[ 6 ] annulyne "'or benzyne which is a reactive intermediate well known in organic chemistry . "'[ 8 ] annulyne "'is known to exist but quickly dimerizes or trimerizes; the compound has been trapped as its EPR spectroscopy . "'[ 10 ] annulyne "', like [ 4 ] annulyne, only exists in theory.