Sentence examples for proficient substitute from inspiring English sources

Synthetic polymers are polymers synthesized in the laboratory to serve as a proficient substitute for the natural ones; they are made mostly to check the demerits and enhance the qualities of natural polymers depending on their use.

The graphical approach substitutes the exact recall of alphanumeric codes with the recognition of previously learnt pictures, a skill at which humans are remarkably proficient.

Julian was immediately proficient, practical.

We are extremely proficient".

Are Caddies Proficient Golfers?

His images are proficient.

"I feel proficient.

Not being totally proficient".

And clearly quite proficient.

"I'm not proficient at computers.

Scores are reported as levels -- not proficient, basic, proficient, advanced.