amidship

Helm amidship!

正正!

Vessel aground forward/amidships/aft/full length.

前部／中部／后部／全部搁浅。

with the engine mounted amidship, the boat pitches less in a seaway .

把发动机装在中央，在汹涌的海面上就不那么上下颠簸了。

Draf t，．。metres (port side/starboard side) forward/aft/amidships.

（左／右舷）前吃水／后吃水／中吃水……米。