At least good that his channel is extremely narrow, barely alive.

The track was extremely narrow, with a sheer drop to the river on the left.

The child's young mother was a small woman with an extremely narrow birth canal.

Must have been the only poll, in the whole wide world, to drop through our friend's extremely narrow mental window!

Those two bands are extremely narrow, each only a single frequency.

Due to space limitations, it has an extremely narrow platform.

An extremely narrow path led down into the large cavern.

It is famous for being extremely narrow and having eight turns.

The window was extremely narrow, and he doubted they'd get a second chance.

An extremely narrow passage led aside out of the pit.