Japanese investigators have discovered that plastics can concentrate hydrophobic chemicals a millionfold.
plants and micro-organisms can concentrate metals from the environment
she couldn't concentrate on the movie
It has been so hard to concentrate and focus properly but I spoke to her the day she died and told her I would win this for her and I made sure I did.
Luke wants to concentrate on his film career
Many avoid refined white sugar, using sweeteners like brown rice syrup, fruit juice concentrate or stevia.
The C4 plants concentrate carbon dioxide levels prior to the Calvin cycle through the Hatch-Slack pathway.
Treatment with water pills in post-menopausal women will concentrate uric acid and result in gout.
Mariel had to concentrate hard to get her mind to focus.
If they have poor attention, they may find it hard to concentrate , follow directions or finish a job.