tunnel是什么意思

双语用例

• The tunnel was dug with the aid of heavy machinery.

• Ten miners were trapped underground when the roof of the tunnel fell in.

• The road goes over the mountains, not through a tunnel.

• It is not practicable to complete the tunnel before the end of the year.

• A tunnel entrance was found within the precincts of the prison camp.

• Termites tunnelled slowly in the dry sand, but diverted their tunnelling into the wet sand once it had been discovered.

• Both are usually estimated using data derived by scanning tunneling microscopy from different surface specimens.

• An infested tuber was defined as one with visible tunnelling damage, regardless of the presence or absence of larvae.