surface swimmer造句

Since they are surface swimmers, " S . marina " are also preyed upon by some birds.
The Coast Guard also trains a very basic form of life saving swimmers known as Cutter Surface Swimmers.
I soon found out that an old Smithwick Devil's Horse, a classic surface swimmer with propellers mounted fore and aft, was effective, but it, designed for fresh water fishing, couldn't take the punishment.
After graduation he ran three seasons for Asics Shoes and four seasons Saucony Shoes before enlisting in the United States Coast Guard at age 29 and served four years as a surface swimmer and Federal Boarding Officer on the Great Lakes.
Experience has showed that passive sonar ( i . e . merely listening for underwater sounds ) cannot detect everything; in particular it cannot easily detect rebreather divers and unequipped surface swimmers; and it can detect direction, but not distance unless readings from two or more listening stations can be correlated.
It's difficult to find surface swimmer in a sentence. 用surface swimmer造句挺难的