Значения термина underwater area на английском

Jill Ford - Y: I've been very active in the underwater area for a long period of time.

So far it has searched about two thirds of the underwater area, with no contacts of interest found to date.

Its latest report, based on that meeting, concluded that "defined indicative underwater area is unlikely to contain the missing aircraft".

Green fuel-driven thumb sized motors (TSM) were designed and optimized by 3D printing to explore their in-situ remediation applications in rare studied underwater area.